900000000000508004: Great Britain English language reference set (foundation metadata concept)

SNOMED CT Concept\SNOMED CT Model Component\Foundation metadata concept (foundation metadata concept)\Reference set\Language type reference set (foundation metadata concept)\English [International Organization for Standardization 639-1 code en] language reference set (foundation metadata concept)\GB English

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT model component module (core metadata concept)

Descriptions:

Expanded Value Set

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
GB English	Is a	English [International Organization for Standardization 639-1 code en] language reference set (foundation metadata concept)	true	Inferred relationship	Some

Members	acceptabilityId
A rare non-syndromic developmental defect of the eye. The disease has characteristics of well-circumscribed, oval or rounded, usually unilateral, atrophic lesions of varying size presenting rudimentary or absent retina, choroid and sclera located at the macula leading to decreased vision and, on occasion, other symptoms (e.g. strabismus). It is usually isolated, but may also be associated with Down syndrome, skeletal or renal disorders.	Preferred (foundation metadata concept)
A rare non-syndromic limb malformation with characteristics of fusion of the proximal or distal tibial and fibular metaphysis and/or diaphysis. The disease is frequently associated with distal positioning of the proximal tibiofibular joint, leg length discrepancy, bowing of the fibula and valgus deformity of the knee.	Preferred (foundation metadata concept)
A rare non-syndromic potentially life-threatening visceral malformation with the absence of normal spleen function, resulting in a primary immunodeficiency. Typically, the condition manifests with severe, recurrent, overwhelming infections (especially pneumococcal sepsis) in otherwise apparently healthy infants. In adults with no history of severe sepsis in infancy, thrombocytosis may be the presenting sign. Howell-Jolly bodies on blood smears and an absent spleen on abdominal ultrasound examination are highly suggestive associated findings. There is evidence this disorder is caused by heterozygous mutation in the RPSA gene on chromosome 3p21.	Preferred (foundation metadata concept)
A rare non-syndromic urogenital tract malformation with the familial occurrence of retrograde flow of urine from the bladder into the ureter and sometimes the kidneys. Patients may be asymptomatic or may present with recurrent, sometimes febrile, urinary tract infections that, in case of acute pyelonephritis, may lead to serious complications (renal scarring, hypertension, renal failure). Spontaneous resolution of the disorder is possible.	Preferred (foundation metadata concept)
A rare non-syndromic uterovaginal malformation with characteristics of a crescent-shaped, small-sized uterus containing a single horn and fallopian tube associated with a rudimentary second horn (which can be solid or contain a cavity with functioning endometrium and be communicating or non-communicating). Urinary tract anomalies are frequently associated.	Preferred (foundation metadata concept)
A rare non-syndromic uterovaginal malformation with characteristics of variable degrees of cervical aplasia, ranging from complete agenesis to the presence of a cervix with a cervical canal that contains a blind end. Patients typically present primary amenorrhoea, cyclical abdominal or pelvic pain, dyspareunia and/or reproductive problems.	Preferred (foundation metadata concept)
A rare normolipemic non-Langerhans cell histiocytosis characterised by progressive growth of multiple to disseminated asymptomatic skin lesions that range in appearance from yellow plaques to coalescence-prone red-brown papules, nodules and pedunculated tumours up to 5 cm in size, located typically on the face, trunk and extremities (and rarely on conjunctiva and mucous membranes). Characteristic microscopic findings include a storiform spindle cell infiltrate in the deep dermis with xanthoma macrophages and some Touton cells in the upper dermis. It is usually not associated with systemic disease.	Preferred (foundation metadata concept)
A rare odontogenic neoplasm with characteristics of aggressive clinical course and local destruction, occurring in mandible more often than in maxilla. The most common symptom is a rapidly progressing painful swelling but it may present as a benign cystic lesion or as a large, rapidly growing mass with ulceration, bone resorption and teeth mobility, as well. The neoplasm may metastasize, most commonly to the cervical lymph nodes and the lungs.	Preferred (foundation metadata concept)
A rare osteogenesis imperfecta-like disorder, described in two patients to date, with clinical characteristics of persistent wormian bones, blue sclera, mandibular hypoplasia, shallow glenoid fossa, and campomelia. There have been no further descriptions in the literature since 1986.	Preferred (foundation metadata concept)
A rare osteonecrosis disease with characteristics of death of bone cellular components secondary to an interruption of the subchondral blood supply. The disease typically manifests with unilateral or bilateral, unifocal or multifocal lesions usually located on the epiphysis, metaphysis and/or diaphysis of the femoral heads, knees, shoulders, ankles and/or wrists, leading to gradual onset of pain and progressive joint degeneration resulting in loss of function. Association with corticosteroid usage, alcoholism, hyperbaric events, radiation or cytotoxic agent exposure, haemoglobinopathies, and/or underlying autoimmune or metabolic disease amongst others has been observed.	Preferred (foundation metadata concept)
A rare otorhinolaryngologic disease with characteristics of dysfunction of both peripheral labyrinths or of the eighth nerves, which presents with persistent unsteadiness of gait (particularly in darkness, during eye closure or under impaired visual conditions, or when standing/walking on uneven, soft or wobbly ground) and oscillopsia associated with head movements. The disease may be progressive, presenting no episodes of vertigo, or sequential, presenting recurrent episodes of vertigo.	Preferred (foundation metadata concept)
A rare otorhinolaryngologic disease with characteristics of the unilateral or bilateral dehiscence of the bone(s) overlying the superior (most common), lateral or posterior semicircular canal(s). Patients present audiological (autophony, aural fullness, conductive hearing loss, pulsatile tinnitus) and/or vestibular symptoms (sound or pressure-evoked oscillopsia or vertigo, characteristic vertical-torsional eye movements), depending on which semicircular canal is affected. Posterior SCD syndrome is associated with high-riding jugular bulb and fibrous dysplasia, while lateral SCD syndrome is associated with chronic otitis media and cholesteatoma, with or without audiological and vestibular symptoms.	Preferred (foundation metadata concept)
A rare otorhinolaryngological malformation characterised by a hypoplastic or absent cochlear nerve, resulting in variable hearing loss or total deafness, depending on the quantity of nerve fibres present. The condition can be unilateral or bilateral, occur as an isolated malformation or in the context of a complex syndrome and may be associated with a hypoplastic internal auditory or cochlear nerve canal.	Preferred (foundation metadata concept)
A rare otorhinolaryngological malformation syndrome with characteristics of a distinctive mask-like facial dysmorphism, lacrimal duct obstruction, extrapyramidal features, digital malformations and intellectual disability. Reported in 3 families to date. The facies has a mask-like appearance due to weakness of facial muscles and lacrimal duct obstruction is characteristic. Clinical features also include telecanthus, bulky nose, broad nasal bridge, sometimes a hypoplastic midface, longitudinal cheek furrows, trapezoidal upper lip and malformation of the ears. Intellectual disability, cutaneous syndactyly, torsion dystonia, increased deep tendon reflexes; Babinski sign, poor coordination and joint laxity are also observed.	Preferred (foundation metadata concept)
A rare ovarian germ cell malignant tumour arising from primordial germ cells, usually presenting with nausea, vomiting, abdominal pain, menstrual irregularities, and characterised by fast growth pattern, metastasis to lung, liver and brain and production of human chorionic gonadotrophin. It is apparently chemoresistant and has a worse prognosis than gestational choriocarcinoma.	Preferred (foundation metadata concept)
A rare overgrowth syndrome associated with multiple congenital anomalies with characteristics of tall stature, large hands and feet with large thumbs and halluces, spatulate digits, developmental delay and facial dysmorphism. Biallelic loss of function variants in FIBP (11q13.1) are responsible for this phenotype. Transmission is autosomal recessive.	Preferred (foundation metadata concept)
A rare overgrowth syndrome with characteristics of long and slim body habitus and multiple skeletal manifestations, such as scoliosis, macrodactyly of the big toes, arachnodactyly of fingers and toes, camptodactyly and clinodactyly, and progressive valgus deformities of the feet. Epimetaphyseal dysplasia, bowing of the tibia and dysmorphic facial features (hypertelorism, high palate, or micrognathia) along with aortic root dilatation and umbilical hernia have also been reported.	Preferred (foundation metadata concept)
A rare overgrowth syndrome with skeletal involvement and characteristics of pre or postnatal onset of overgrowth, accelerated bone age in infancy and early childhood, tall stature, bony overgrowth of the skull base, spondylar dysplasia, and undermodelling of the tubular bones. Facial dysmorphism includes mild hypertelorism, depressed nasal bridge, short and broad nose, and full lower lip. Additional reported features are scoliosis, as well as delayed puberty, cryptorchidism, and hypospadias.	Preferred (foundation metadata concept)
A rare pancreatobiliary disease characterised by marked duct-centred lymphoid follicular inflammation that develops in both biliary and pancreatic ductal systems, mainly affecting the hilar bile ducts and the pancreatic head. Patients present with jaundice, abdominal pain, liver dysfunction, pruritus and/or weight loss. Histology shows lymphoplasmacytic infiltration with formation of numerous, large lymphoid follicles around the affected bile and pancreatic ducts.	Preferred (foundation metadata concept)
A rare parasitic disease characterised by the infestation of natural body cavities with dipteran larvae. Clinical presentation is variable depending on the affected site(s) and degree of infestation and include foreign-body sensation (with or without movement sensation), haemorrhage, pain, oedema, sensory loss, malodour, and pruritus, among others. Neurological features (motor deficits, seizures, reduced mental status, extrapyramidal signs) have been reported in cerebral myiasis.	Preferred (foundation metadata concept)
A rare parkinsonian disorder with characteristics of unilateral body atrophy and slowly progressive, ipsilateral hemiparkinsonian signs (bradykinesia, rigidity, and tremor). Patients typically present with unilateral, action-induced dystonia, in upper or lower limbs, that progresses and becomes bilateral or with tremor which occurs predominantly at rest and progresses to hemiparkinsonism. Scoliosis, scapular winging, raised shoulders, brisk reflexes and extensor plantars are frequently associated.	Preferred (foundation metadata concept)
A rare parkinsonian syndrome due to intoxication which develops in individuals surviving an acute cyanide intoxication episode or due to chronic exposure to small cyanide doses. It presents several weeks after acute exposure with progressive typical clinical features of parkinsonism including bradykinesia, rigidity, dystonia, hypomimia, hypokinetic dysarthria, postural instability and retropulsion but no resting or postural tremor. Brain MRI reveals bilateral lesions in the pallidum, posterior putamen, substantia nigra, subthalamic nucleus, temporal and occipital cortex and cerebellum.	Preferred (foundation metadata concept)
A rare paroxysmal movement disorder with episodes of sustained, conjugate, upward deviation of the eyes and down beating saccades in attempted downgaze (with preserved horizontal eye movements). This is accompanied by ataxic symptoms (unsteady gait, lack of balance and movement coordination disturbances) in an otherwise healthy individual. Bilateral vertical nystagmus is associated. Symptoms generally disappear spontaneously within 1-2 years after onset.	Preferred (foundation metadata concept)
A rare paroxysmal movement disorder with onset in childhood or adolescence. The disease has characteristics of paroxysmal choreiform, dystonic, and myoclonic movements involving the limbs (mostly distal upper limbs), neck and/or face, which can progressively increase in both frequency and severity until they become nearly constant. Patients may also present with delayed motor milestones, perioral and periorbital dyskinesias, dysarthria, hypotonia, and weakness.	Preferred (foundation metadata concept)
A rare partial autosomal monosomy characterised by global development delay, intellectual disability, behavioural abnormalities (hyperactivity, attention deficit and autistic behaviours), brachycephaly and variable facial dysmorphism. Other associated features may include vertebral fusions, mild contractures of knees and elbows, and feeding difficulties during infancy.	Preferred (foundation metadata concept)
A rare partial autosomal monosomy syndrome with characteristics of neonatal hypotonia, prenatal and postnatal growth deficiency, severe feeding difficulties, global developmental delay and intellectual disability, dental anomalies (delayed tooth eruption, delayed loss of primary teeth, dental crowding), recurrent respiratory infections, thrombocytopenia and facial dysmorphism (flat facial profile, medially sparse eyebrows, epicanthal folds, flat nasal bridge and tip, short philtrum). Behavioural abnormalities (ADHD, Asperger syndrome) have also been reported.	Preferred (foundation metadata concept)
A rare partial autosomal monosomy with a variable phenotypic expression and reduced penetrance associated with an increased susceptibility to neuropsychiatric or neurodevelopmental disorders including delayed psychomotor development, speech delay, autism spectrum disorder, attention deficit-hyperactivity disorder, obsessive-compulsive disorder, epilepsy or seizures. It may also include mild non-specific dysmorphic features (such as dysplastic ears, broad forehead, hypertelorism), cleft palate, neurological and neuroimaging abnormalities (such as ataxia and muscular hypotonia).	Preferred (foundation metadata concept)
A rare partial autosomal monosomy with characteristics of language development delay with childhood apraxia of speech, mild intellectual disability, autistic spectrum disorder, attention deficit hyperactivity disorder, anxiety and mildly dysmorphic nonspecific features. Additional clinical features may include muscular hypotonia and joint laxity, hernia and microcephaly.	Preferred (foundation metadata concept)
A rare partial autosomal monosomy with characteristics of mild facial dysmorphism variably including macrocephaly, broad forehead, hypertelorism or hypotelorism, deep-set eyes, upslanting or downslanting palpebral fissures, low-set ears, flat nasal bridge, smooth philtrum, thin upper lip, cleft palate, cerebellar and cardiac malformations, psychomotor development delay, attention deficit hyperactivity disorder, autism. Other rare features may include congenital breast aplasia, arachnodactyly, joint hyperlaxity and clubfoot, feeding difficulties, failure to thrive.	Preferred (foundation metadata concept)
A rare partial autosomal monosomy with characteristics of weak fetal movements, severe infantile hypotonia and feeding difficulties that spontaneously improve with time, urogenital abnormalities (hypospadias or hypoplastic labia majora), global development delay, mild intellectual disability and facial dysmorphism (dolichocephaly, frontal bossing, bilateral ptosis, midface retrusion, open mouth with tented upper lip vermilion). Affected individuals have borderline elevated serum lactate but no cystinuria.	Preferred (foundation metadata concept)
A rare partial autosomal trisomy characterised by global developmental delay, intellectual disability, autistic behaviour, muscular hypotonia, macrocephaly and facial dysmorphism (frontal bossing, short palpebral fissures, low set, dysplastic ears, short or shallow philtrum, high arched or narrow palate, micrognathia). Other associated clinical features include sleep disturbances, seizures, aplasia/hypoplasia of the corpus callosum, skeletal abnormalities (large hands and feet, long fingers and toes, talipes).	Preferred (foundation metadata concept)
A rare partial autosomal trisomy characterised by obesity, global developmental delay and intellectual disability, facial dysmorphism (synophrys, high-arched eyebrows, large posteriorly rotated ears, upturned nose, long smooth philtrum, overbite and high palate), large hands and limb hypotonia. Additional features include seizures and behavioural abnormalities.	Preferred (foundation metadata concept)
A rare partial autosomal trisomy with characteristics of a variable phenotype that includes hypotonia, motor delay, mild to severe intellectual disability, seizures, variable cerebral anomalies, finger/toe syndactyly, fifth finger clinodactyly, strabismus, short neck and dysmorphic facial features.	Preferred (foundation metadata concept)
A rare partial autosomal trisomy/tetrasomy characterised by facial dysmorphism (long thin face, prominent forehead, down-slanting palpebral fissures, prominent nose with broad nasal bridge, prominent chin), pre and postnatal overgrowth, renal anomalies (for example horseshoe kidney, renal agenesis, hydronephrosis), mild to severe learning difficulties and behavioural abnormalities. Additional features may include craniosynostosis and macrocephaly.	Preferred (foundation metadata concept)
A rare partial autosomal trisomy/tetrasomy with incomplete penetrance and variable expression. The syndrome has characteristics of macrocephaly, developmental delay, intellectual disability, psychiatric disturbances (autism spectrum disorder, attention deficit hyperactivity disorder, schizophrenia, mood disorders) and mild facial dysmorphism (high forehead, hypertelorism). Other associated features include congenital heart defects, hypotonia, short stature, scoliosis.	Preferred (foundation metadata concept)
A rare partial deletion of the long arm of chromosome 14 with characteristics of ocular anomalies (anophthalmia/microphthalmia, ptosis, hypertelorism, exophthalmos), pituitary anomalies (pituitary hypoplasia/aplasia with growth hormone deficiency and growth retardation) and hand/foot anomalies (polydactyly, short digits, pes cavus). Other clinical features may include muscular hypotonia, psychomotor development delay/intellectual disability, dysmorphic signs (facial asymmetry, microretrognathia, high-arched palate, ear anomalies), congenital genitourinary malformations and hearing impairment. Smaller 14q22 deletions may have variable expression.	Preferred (foundation metadata concept)
A rare partial duplication of the long arm of chromosome 14 with characteristics of variable clinical features, most commonly including growth retardation and low birth weight, hypotonia, developmental delay, intellectual disability, short stature, microcephaly, facial dysmorphism (frontal bossing, hypertelorism, bulbous nose, micrognathia, sparse hair and eyebrows), congenital heart defects, spasticity and hyperreflexia.	Preferred (foundation metadata concept)
A rare partial duplication of the long arm of chromosome 17 with characteristics of a combination of features of 17p11.2 microduplication syndrome and Charcot-Marie-Tooth disease type 1A. Patients present with infantile onset of global developmental delay, hypotonia, feeding difficulties and failure to thrive, as well as childhood onset of peripheral neuropathy with distal extremity weakness or atrophy, gait impairment, sensory loss, reduced or absent deep tendon reflexes of the ankles and foot deformities. Facial dysmorphism, cardiac and renal anomalies and syringomyelia may also be observed.	Preferred (foundation metadata concept)
A rare partial monosomy of the short arm of chromosome 17 with a variable phenotype. The disease has characteristics of prenatal and postnatal growth retardation, developmental delay, mild intellectual disability, macrocephaly, mild facial dysmorphism including prominent forehead, hypertelorism, thick upper and/or lower lip vermillion and structural abnormalities of the brain variably including white matter abnormalities, prominent Virchow-Robin spaces, Chiari I malformation, corpus callosum hypoplasia but not lissencephaly.	Preferred (foundation metadata concept)
A rare peripheral neuropathy with characteristics of acute onset of unilateral facial muscle weakness with Bell's phenomenon. It is non-progressive, resolves spontaneously and it might be recurrent with no obvious precipitating factors.	Preferred (foundation metadata concept)
A rare pervasive developmental disorder with characteristics of microcephaly, profound developmental delay, intellectual disability, bilateral cataracts, severe epilepsy including infantile spasms, hypotonia, irritability, feeding difficulties leading to failure to thrive and stereotypic hand movements. The disease manifests in infancy. Brain imaging reveals delay in myelination and cerebral atrophy.	Preferred (foundation metadata concept)
A rare pleiotropic auto-inflammatory disorder of childhood, primarily affecting the joints and skin. The first affected family contained ten affected members from three generations and manifested variable expression of a pauciarticular, nonaxial, arthritis that began in childhood; pyoderma gangrenosum; and severe cystic acne in adolescence and beyond. Recurrent sterile arthritis usually occurs after minor trauma, but can also occur spontaneously. PAPA syndrome is a self-limiting disease, but it can lead to severe joint destruction. The gene responsible for the syndrome is the proline-serine-threonine phosphatase interacting protein 1 (PSTPIP1).	Preferred (foundation metadata concept)
A rare porphyria characterised by a pre-existing myeloid disorder, skin fragility and blistering on the exposed areas, and haemorrhagic bullae typically on the back of the hands. Urine, plasma and faecal porphyrins are increased.	Preferred (foundation metadata concept)
A rare potentially fatal genetic visceral malformation syndrome characterised by neonatal diabetes, hypoplastic or annular pancreas, duodenal and jejunal atresia as well as gallbladder aplasia or hypoplasia. Patients typically present intrauterine growth restriction, failure to thrive, malnutrition, intestinal malrotation, malabsorption, conjugated hyperbilirubinaemia, acholia and infections. Cardiac anomalies may also be associated. There is evidence the disease is caused by homozygous or compound heterozygous mutation in the RFX6 gene on chromosome 6q22.	Preferred (foundation metadata concept)
A rare potentially life-threatening genetic endocrine disease characterised by childhood-onset hyperphagia and obesity, alveolar hypoventilation, dysautonomia (for example impaired gastrointestinal motility, abnormal cardiac rhythm, thermal dysregulation), hypothalamic dysfunction and neurobehavioural disorders. Central hypothyroidism, endocrine anomalies (for example glucocorticoid deficiency, puberty dysregulation), electrolyte imbalances (for example hypo/hypernatraemia, hypochloraemia), respiratory failure and late-onset neuroendocrine tumours may also be associated.	Preferred (foundation metadata concept)
A rare potentially life-threatening vascular malformation with characteristics of a direct communication between an artery and a vein, without the interposition of the capillary bed, occurring in the systemic circulation (mainly the cranium, liver, lungs, extremities, and vessels in or near the thoracic wall). Manifestations are variable depending on size and extent of the fistula, the involved blood vessels and the precise location of the collaterals and may include systolic or continuous murmur over the affected organ, tachycardia, increased stroke volume, cardiomegaly and increased pulmonary vascular markings.	Preferred (foundation metadata concept)
A rare potentially sight-threatening acquired ocular disease characterised by corneal epithelium inflammation resulting from viral (mainly Herpes Simplex virus), bacterial, fungal or protist infection, manifesting with variable symptoms, such as conjunctival hyperaemia, lacrimation, rapid onset of pain, blurred vision and/or photophobia, depending on the causative agent.	Preferred (foundation metadata concept)
A rare potentially sight-threatening ocular disease not attributed to any specific ocular or systemic cause. The disease has characteristics of focal, multifocal or diffuse non-infectious inflammation in the posterior uvea (such as choroiditis, chorioretinitis, retinitis and neuroretinitis). Visual morbidity due to complications (including cystoid macular oedema and choroidal neovascularisation) has been reported.	Preferred (foundation metadata concept)
A rare predominantly axonal hereditary motor and sensory neuropathy with characteristics of broad phenotypic spectrum of slowly progressive signs and symptoms mainly affecting the lower limbs. Most patients present with gait difficulties and distal sensory impairment while some may lack sensory symptoms altogether. Pes cavus is frequently reported. Age of onset is also highly variable ranging from childhood to late adulthood.	Preferred (foundation metadata concept)
A rare predominantly pure hereditary spastic paraplegia with characteristics of juvenile or adult onset of slowly progressive spastic paraparesis, gait disturbances and increased tendon reflexes. Additional variable manifestations include pes cavus, dysarthria, sensory impairment and urinary symptoms. Cognition is normal.	Preferred (foundation metadata concept)
A rare premature aging syndrome with characteristics of pre and postnatal growth retardation, a congenital premature-aged appearance with distinctive craniofacial dysmorphism (wide calvaria with large open anterior fontanelle and wide metopic suture, broad forehead, small face, micrognathia), markedly diminished subcutaneous fat, cutis laxa and wrinkled skin, without delay in psychomotor development. Scant, brittle hair, hypoplastic nails and delayed, abnormal dentition, as well as hypoplastic distal phalanges, umbilical hernia and eye abnormalities (myopia/hyperopia, strabismus), are also commonly associated.	Preferred (foundation metadata concept)
A rare presumably genetic disorder characterised by idiopathic massive splenomegaly with pancytopenia and childhood-onset chronic optic nerve oedema with slowly progressive vision loss. Additional reported features include anhidrosis, urticaria and headaches.	Preferred (foundation metadata concept)
A rare primary bone dysplasia characterised by severe early-onset dysplasia of the proximal femurs, with almost complete absence of the secondary ossification centres and abnormal development of the femoral necks (short and broad with irregular metaphyses). It is associated with gait abnormality, mild short stature, arthralgia, and joint stiffness with limited mobility of the hips and irregular acetabula, and hip and knee pain. Coxa vara and mild spinal changes are also associated.	Preferred (foundation metadata concept)
A rare primary bone dysplasia characterised by upper limbs rhizomelia and other skeletal anomalies (for example short stature, dislocated hips, digitalisation of the thumb with bifid distal phalanx), craniofacial features (for example microcephaly, large anterior fontanelle, fine and sparse scalp hair, depressed nasal bridge, high arched palate, micrognathia, short neck), congenital heart defects (for example pulmonary stenosis), delayed psychomotor development and mild flexion contractures of elbows. Radiologic evaluation may reveal flared epiphyses, platyspondyly and/or digital anomalies.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder characterised by short stature with severe shortening of limbs, genu vara deformity and enlarged joints with movement limitation particularly affecting the hip joints. Radiological findings show coxa vara, generalised metaphyseal irregularities of the tubular bones (including cupping, fraying and splaying), which are more severe in the femur and forearm bones than the metacarpals and phalanges and vertebral abnormalities including ovoid vertebral bodies with anterior rectangular protrusions and severe platyspondyly.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder characterised by strikingly small secondary ossification centres (mini-epiphyses) in all or only some joints, resulting in severe bone dysplasia of the proximal femoral heads. Short stature, increased lumbar lordosis, genua vara and generalised joint laxity have also been reported.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder characterised by the association of dental anomalies (oligodontia with pointed incisors) and generalised platyspondyly with epiphyseal and metaphyseal involvement. Thin tapering fingers and accentuated palmar creases are additional features.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of congenital hypotrichosis associated with rhizomelic short stature (more pronounced in upper limbs than lower limbs), limited hip abduction and mild genu varum. Flared and irregular metaphyses, delayed and irregular epiphyseal ossification and pear-shaped vertebral bodies are characteristic radiologic findings.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of disproportionate short stature, severe femoral neck deformity, marked metaphyseal abnormalities and platyspondyly consisting of ovoid vertebral bodies that have an anterior tongue-like deformity.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of infantile-onset, progressive, multiple skeletal deformities in association with slowly progressive central and peripheral neurodegeneration. Patients present short stature, coarse facies, psychomotor regression and cognitive impairment. Imaging shows abnormally shaped vertebral bodies, small, flat epiphyses, and widened metaphyses, as well as cerebral and cerebellar atrophy and progressive axonal-hypomyelinating neuropathy.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of normal birth length with early postnatal growth deficiency resulting in severe disproportionate short stature (with short trunk and limbs), severe genu varum, flexion contractures in the hips and lumbar hyperlordosis. Radiological findings reveal platyspondyly with central indentation of vertebral endplates, progressive and severe epimetaphyseal abnormalities that primarily affect the lower limbs and include very small, irregular proximal femoral and knee epiphyses, severe coxa vara, delayed ossification of proximal femoral epiphyses and irregular distal femoral and proximal tibial metaphyses.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of normal or mild short stature, early-onset pain and/or stiffness of the joints (mainly affecting knees but also elbows, wrists, ankles and fingers, with relative sparing of the hips) and early degenerative joint disease. Other skeletal anomalies (including varus or valgus deformities, osteochondritis dissecans, abnormal carpal shape, free articular bodies) and mild myopathy have also been reported.	Preferred (foundation metadata concept)
A rare primary bone dysplasia disorder with characteristics of severe short stature, coarse facies, thoracolumbar kyphoscoliosis and enlarged joints with contractures. Psychomotor delay and intellectual disability may also be associated. Radiographic features include flat vertebral bodies, lacy ossification of the metaphyses of long bones and iliac crests, and marked sclerosis of the skull base.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of a Larsen-like phenotype including multiple, congenital, large joint dislocations, craniofacial abnormalities (macrocephaly, flat occiput, prominent forehead, hypertelorism, low-set, malformed ears, flat nose, cleft palate), spinal abnormalities, cylindrical fingers, and talipes equinovarus, as well as growth retardation (resulting in short stature) and delayed bone age. Other reported clinical manifestations include severe developmental delay, hypotonia, clinodactyly, congenital heart defect and renal dysplasia.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of cone-shaped epiphyses of the phalanges, hyperextensibility and hyper-flexibility of the fingers and marked delay in ossification of hand bones. Short-limbed short stature, very stubby, short fingers and toes, flat face and nose and a large skull may also be associated. There have been no further descriptions in the literature since 1980.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of intrauterine growth retardation, pre and postnatal disproportionate short stature with short, rhizomelic limbs, facial dysmorphism, a short neck and small thorax. Hypotonia, cardiomegaly and global developmental delay have also been associated. Several radiographic findings have been reported, including ribs with cupped ends, platyspondyly, square iliac bones, horizontal and trident acetabula, hypoplastic ischia, and delayed epiphyseal ossification. There is evidence this disease is caused by homozygous mutation in the MAGMAS (PAM16) gene on chromosome 16p13.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of reduced bone mineral density (defined as a Z score below -2.0), vertebral compression fractures, and recurrent peripheral fractures caused by low-impact trauma, leading to bone pain and impaired mobility. Patients typically become symptomatic in childhood or adolescence.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of severe developmental delay and skeletal dysplasia (including short stature, premature carpal ossification, platyspondyly, longitudinal metaphyseal striations, and small epiphyses), as well as moderate to severe intellectual disability and facial dysmorphism, including prominent forehead, mild synophrys, depressed nasal bridge, prominent bulbous nasal tip and full lips. Caused by homozygous or compound heterozygous mutation in the NANS gene on chromosome 9q22.	Preferred (foundation metadata concept)
A rare primary bone dysplasia with characteristics of small, flat epiphyses (especially the capital femoral epiphyses), rhizomelic shortening of limbs, cleft of secondary palate, micrognathia, mild joint contractures and facial dysmorphism (including mildly upward-slanting palpebral fissures, hypertelorism, broad nasal tip). Additionally reported features include scoliosis, genu valgum, mild pectus excavatum, platyspondyly, dislocated radial heads, brachydactyly, hypoplastic fibulae and talipes equinovarus.	Preferred (foundation metadata concept)
A rare primary cutaneous amyloidosis characterised by macular or reticulate hyperpigmentation with symmetrically distributed guttate hypo and hyperpigmented lesions which progress gradually over the years to involve almost the entire body (with relative sparing of the face, hands, feet and neck). Patients are usually asymptomatic, however mild pruritus may be associated. Amyloid deposition in the papillary dermis is observed on skin biopsy. Systemic amyloidosis is not present and association with generalised morphea, atypical Parkinsonism, spasticity, motor weakness or colon carcinoma is rare.	Preferred (foundation metadata concept)
A rare primary genetic renal tumour usually characterised by a unilateral, unicentric, morphologically diverse tumour that arises from the renal medulla and has a tendency for vascular invasion. Clinically it presents with a palpable abdominal mass, abdominal or flank pain, haematuria, anaemia and/or fatigue. Metastatic spread to lymph nodes, bones, lungs, retroperitoneum, brain and liver is common at time of diagnosis and therefore bone pain, cough or neurological compromise may be associated. Metastasis to unusual sites, such as the scalp, neck, nasopharynx, axilla, orbits and epidural space have been reported.	Preferred (foundation metadata concept)
A rare primary immunodeficiency characterised by infantile onset of generalised lymphadenopathy, splenomegaly and lymphocytosis with excessive polyclonal expansion of B-cells. Patients present recurrent infections and impaired T-cell and antibody responses, while overt autoimmune manifestations are usually absent. Occurrence of B-cell malignancy later in life has been reported.	Preferred (foundation metadata concept)
A rare primary immunodeficiency disorder characterised by the association of alopecia areata totalis and antibody deficiency (congenital agammaglobulinaemia or incomplete antibody deficiency syndrome) manifesting with recurrent infections. There have been no further descriptions in the literature since 1976.	Preferred (foundation metadata concept)
A rare primary immunodeficiency disorder due to impaired capacity of activated T and B-cells to proliferate in response to antigen receptor-mediated activation. The disease has characteristics of early-onset severe persistent and/or recurrent viral infections due to Epstein-Barr virus and Varicella Zoster virus as well as recurrent sino-pulmonary bacterial infections due to encapsulated pathogens.	Preferred (foundation metadata concept)
A rare primary immunodeficiency disorder with characteristics of autosomal dominant inheritance, absolute neutrophil counts below 0.5x10E9/L in the peripheral blood (on three separate occasions over a six month period), granulopoiesis maturation arrest at the promyelocyte/myelocyte stage and early-onset severe recurrent bacterial infections.	Preferred (foundation metadata concept)
A rare primary immunodeficiency disorder with characteristics of persistent CD4 T-cell lymphopenia (less than 300 cells/UL on multiple occasions) not associated with any other underlying primary or secondary immune deficiency. Patients typically present opportunistic infections (with cryptococcal, mycobacterial, candidal, varicella zoster virus infections and progressive multifocal leucoencephalopathy being the most prevalent), malignancies (mainly lymphoproliferative disorders), or autoimmune disorders. Some individuals are asymptomatic and incidentally diagnosed.	Preferred (foundation metadata concept)
A rare primary immunodeficiency due to a defect in adaptive immunity characterised by the absence of CD8 positive T cells with normal immunoglobulin and specific antibody titres in blood and susceptibility to recurrent respiratory bacterial and viral infections. Symptom severity ranges from fatal respiratory insufficiency to mild or asymptomatic phenotypes.	Preferred (foundation metadata concept)
A rare primary immunodeficiency due to a defect in innate immunity disorder with characteristics of selective susceptibility to viral infections, particularly after systemic challenge with live viral vaccines such as the measles, mumps and rubella (MMR) vaccine. Patients present severe, potentially fatal, manifestations to viral illness, including encephalitis, hepatitis and pneumonitis.	Preferred (foundation metadata concept)
A rare primary immunodeficiency with characteristics of increased susceptibility to infection by human papillomavirus, presenting in childhood with disseminated flat wart-like cutaneous lesions. Burkitt lymphoma has also been reported. Whilst total T-cell counts are normal, there is impaired TCR signaling, profound peripheral naive T-cell lymphopenia with memory T-cells displaying an exhaustion phenotype.	Preferred (foundation metadata concept)
A rare primary immunodeficiency with characteristics of increased susceptibility to infections with candida albicans and weakly pathogenic mycobacteria, such as mycobacterium bovis. Patients present in infancy with chronic mucocutaneous candidiasis of varying severity, disseminated mycobacterial disease, absence of palpable axillary and cervical lymph nodes, reduced thymus size and variable hepatosplenomegaly. The immunological phenotype comprises mild T-cell lymphopenia, absence of type 1 natural killer T-cells and mucosal-associated invariant T-cells, and low levels of type 3 innate lymphoid cells.	Preferred (foundation metadata concept)
A rare primary lymphoedema characterised by extensive multisegmental lymphoedema associated with persistent, widespread infections with various genital high and low-risk human papillomaviruses, resulting in multifocal anogenital dysplasia. Laboratory examination shows abnormalities in lymphocyte subsets, in particular CD4+ T-cells. Epidermal naevi and capillary malformations have also been reported.	Preferred (foundation metadata concept)
A rare primary malignant hepatic neoplasm of childhood that is mesenchymal in origin. It can rarely occur in adults. It has manifestations of abdominal mass, right upper quadrant or epigastric pain, nausea, anorexia, intermittent fever or headache.	Preferred (foundation metadata concept)
A rare primary osteolysis with characteristics of multiple small osteolytic areas and sclerosis in the phalanges of one or both hands associated with swelling and redness of the phalanges. Condition is benign, self-limited and may be associated with cold exposure.	Preferred (foundation metadata concept)
A rare progressive dermis disorder with characteristics of thickening of the scalp resulting in redundancy of skin which gives rise to folds and grooves that give the scalp a cerebriform appearance. Folds cannot be corrected by pressure or traction and typically are symmetric and extend anteroposteriorly from vertex to occiput and/or transversely in occipital region. Additional features may include mild subungual hyperkeratosis and distal onycholysis of the nail plates of the great toes. It is not associated with neurological and ophthalmological changes or with secondary causes.	Preferred (foundation metadata concept)
A rare progressive muscular dystrophy characterised by an adult-onset scapulo-axio-peroneal myopathy. Clinical presentation includes shoulder girdle atrophy, scapular winging, axial muscular atrophy of postural muscles combined with a generalised hypertrophy. Typically neck rigidity, rigid spine, Achilles tendon shortening and respiratory insufficiency later in disease course are present. The phenotype is caused by mutation in the FHL1 gene.	Preferred (foundation metadata concept)
A rare progressive neurodegenerative disorder with typical onset between 50 and 65 years of age. Manifestation is of progressive impairment of higher visual processing skills and other posterior cortical functions without any evidence of ocular abnormalities. Prevalence is unknown, largely due to the lack of awareness of the syndrome and the inaccurate terminology referring to it. Alzheimer's disease is the most common underlying pathology, but cases attributable to Dementia with Lewy Bodies, corticobasal degeneration or prion disease have also been reported.	Preferred (foundation metadata concept)
A rare pterygium inherited autosomal dominantly, which develops in early adulthood. With characteristics of a wing-like bulbar thickening of the conjunctiva in the interpalpebral fissure area that can be cured by surgical excision.	Preferred (foundation metadata concept)
A rare pure or complex form of hereditary spastic paraplegia with characteristics of onset in infancy of progressive lower limb spasticity, abnormal gait, increased deep tendon reflexes and extensor plantar responses that may be associated with intellectual disability. Additional signs such as contractures in the lower limbs, amyotrophy, clubfoot and optic atrophy, have also been reported. Caused by homozygous mutation in the NT5C2 gene on chromosome 10q24.	Preferred (foundation metadata concept)
A rare pure or complex hereditary spastic paraplegia with characteristics of infancy to childhood onset of slowly progressive lower limb spasticity, delayed motor milestones, gait disturbances, hyperreflexia and various muscle abnormalities, including weakness, hypotonia, intention tremor and amyotrophy. Ocular abnormalities (e.g. strabismus, ptosis) and other neurological abnormalities, such as dysarthria, seizures and extensor plantar responses may also be associated.	Preferred (foundation metadata concept)
A rare pure or complex hereditary spastic paraplegia with characteristics of variable onset of slowly progressive lower limb spasticity, hyperreflexia and extensor plantar responses, that may be associated with sensorimotor polyneuropathy, decreased vibration sense, lower limb distal muscle wasting, dysarthria and mild to moderate intellectual disability.	Preferred (foundation metadata concept)
A rare pure or complex subtype of hereditary spastic paraplegia, with highly variable phenotype. Typical characteristics include childhood-onset of minimally progressive bilateral mainly symmetric lower limb spasticity and weakness, associated with pes cavus, diminished vibration sense, sphincter disturbances and/or urinary bladder hyperactivity. Additional associated manifestations may include scoliosis, mild intellectual disability, optic atrophy, axonal motor neuropathy and/or distal amyotrophy. Caused by heterozygous mutation in the ATL1 gene on chromosome 14q22.	Preferred (foundation metadata concept)
A rare rectal disease characterised by rectal bleeding, abdominal pain, passage of mucous, sensation of incomplete evacuation, straining at defaecation and rectal prolapse, secondary to ischaemic changes in the rectum.	Preferred (foundation metadata concept)
A rare red cell disorder classified principally into two clinical phenotypes: autosomal recessive congenital (or hereditary) types I and II (RCM/RHM type 1; RCM/RHM type 2). In RCM type 1, cyanosis from birth is the only symptom. RCM type 2 is much more severe; the cyanosis is accompanied by neurological dysfunction (with intellectual deficit, microcephaly, growth retardation, opisthotonus, strabismus and hypertonia), which usually becomes evident during the first four months of life. RCM type 1 is caused by mutations of the CYB5R3 gene (22q13.31-qter) encoding the NADH-cytochrome b5 reductase (Cb5R) and Cb5R deficiency is limited to the erythrocytes. RCM type 2 is caused by global loss of Cb5R function. RCM type 1 is generally associated with missense mutations, whereas RCM type 2 is more commonly associated with truncating mutations, splicing errors or mutations that lead to disruption of the active site.	Preferred (foundation metadata concept)
A rare renal disease occurring in the setting of a systemic IgG4 (immunoglobulin G4) related disease. The disorder has characteristics of fibrosing tubulointerstitial nephritis consisting of predominantly IgG4 positive plasma cells with/without glomerulonephritis, mass lesions, enlarged kidneys and hydronephrosis. Other extra renal manifestations of IgG4 related disease may also be present (e.g. salivary glands, hepatobiliary system, lungs).	Preferred (foundation metadata concept)
A rare retinal dystrophy with characteristics of diffuse bilateral white-yellow fleck-like lesions extending to the far periphery of the retina but sparing the foveal region, with asymptomatic clinical phenotype and absence of electrophysiologic deficits.	Preferred (foundation metadata concept)
A rare retinal dystrophy with characteristics of photophobia, progressive loss of visual acuity, nystagmus, visual field abnormalities, abnormal colour vision, and psychophysical and electrophysiological evidence of abnormal cone function. Progressive cone dystrophy usually presents in childhood or early adult life, and patients tend to develop rod photoreceptor dysfunction in later life.	Preferred (foundation metadata concept)
A rare retinal vasculopathy disease characterised by idiopathic retinal vasculitis (IRV), aneurysmal dilations (A) at arteriolar bifurcations and neuroretinitis (N), which if untreated progresses to peripheral capillary non-perfusion retinal neovascularisation and macular exudation, leading to severe bilateral vision loss.	Preferred (foundation metadata concept)
A rare rheumatologic disease characterised by predominantly bilateral, chronic, sterile inflammation and progressive sclerosis and hyperostosis of the sternocostoclavicular joint, with adjacent soft tissue ossification, in the absence of other joint involvement. It presents as recurrent episodes of pain, oedema and/or erythema of the sternoclavicular region. Palmoplantar pustulosis may be additionally observed in some cases.	Preferred (foundation metadata concept)
A rare rheumatologic disease with the occurrence of inflammatory arthritis in association with large erythematous symmetrical cutaneous lesions (ranging from typical but infrequent cord-like lesions on the flanks to more common violaceous plaques on the trunk and limbs) featuring a typical histologic infiltrate mainly constituted of histiocytes.	Preferred (foundation metadata concept)
A rare rhythm disorder with sustained tachycardia in newborns and infants and an atrial rate often at around 440 beats/minute. May manifest as asymptomatic tachycardia, congestive heart failure or hydrops.	Preferred (foundation metadata concept)
A rare secondary glomerular disease characterised by proteinuria, dysproteinaemia, nephrotic syndrome, and nodular glomerulopathy leading to renal failure, with or without extra-renal manifestations. The renal biopsy shows typical deposits of monoclonal immunoglobulins that do not show a fibrillar organisation and are negative for Congo red staining. Associated signs and symptoms depend on the involvement of other organs, liver, heart, nerve fibres, gastrointestinal tract or skin.	Preferred (foundation metadata concept)

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Reference Sets

Reference set descriptor

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Id	Description	Lang	Type	Status	Case?	Module
900000000001112010	Great Britain English language reference set	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT model component module (core metadata concept)
900000000001113017	GB English	en	Synonym (core metadata concept)	Active	Entire term case sensitive (core metadata concept)	SNOMED CT model component module (core metadata concept)
900000000001114011	Great Britain English language reference set (foundation metadata concept)	en	Fully specified name	Active	Entire term case sensitive (core metadata concept)	SNOMED CT model component module (core metadata concept)