| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Anagen effluvium | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Ulerythema | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Eosinophilic pustular folliculitis | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Ciliated lacrimal caruncle | Finding site | True | Hair structure | Inferred relationship | Some | 2 | 
| Agminate folliculitis | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Perifolliculitis capitis abscedens | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Loose anagen hair syndrome | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Acne keloidalis | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Other hair and hair follicle diseases | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hair and hair follicle disease NOS | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Sycosis barbae | Finding site | False | Hair structure | Inferred relationship | Some | 2 | 
| Pseudopelade | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Carcinoma of skin (excluding eyelid, vulva, penis, and melanomas) TNM finding | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT1: Tumour 2 cm or less in greatest dimension (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT1a: Tumour 2 cm or less in greatest dimension, limited to dermis or 2 mm or less in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT1b: Tumour 2 cm or less in greatest dimension, limited to dermis and greater than 2 mm in thickness, but not more than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT1c: Tumour 2 cm or less in greatest dimension, invading the subcutis and/or greater than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT2: Tumour more than 2 cm, but not more than 5 cm, in greatest dimension (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT2a: Tumour more than 2 cm, but not more than 5 cm, in greatest dimension, limited to dermis or greater than 2 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT2b: Tumour more than 2 cm, but not more than 5 cm, in greatest dimension, limited to dermis and greater than 2 mm in thickness, but not more than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT2c: Tumour more than 2 cm, but not more than 5 cm, in greatest dimension, invading the subcutis and/or greater than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT3: Tumor more than 5 cm in greatest dimension (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT3a: Tumour more than 5 cm in greatest dimension, limited to dermis or not more than 2 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT3b: Tumour more than 5 cm in greatest dimension, limited to dermis and greater than 2 mm in thickness, but not more than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT3c: Tumour more than 5 cm in greatest dimension, invading the subcutis and/or greater than 6 mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT4: Tumour invades deep extradermal structures (i.e. cartilage, skeletal muscle, or bone) (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT4b: Tumour invades deep extradermal structures (i.e. cartilage, skeletal muscle, or bone) greater than 6mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| pT4a: Tumor invades deep extradermal structures (i.e. cartilage, skeletal muscle, or bone) not more than 6mm in thickness (carcinoma of skin excluding eyelid, vulva, penis, and melanomas) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Epilation of eyelid | Procedure site | False | Hair structure | Inferred relationship | Some |  | 
| Centripetal rash | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Centrifugal rash | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Loss of protective sensation of skin | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hirsutism | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Keratosis rubra pilaris | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Keratosis pilaris atrophicans | Finding site | False | Hair structure | Inferred relationship | Some | 2 | 
| Scarring alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Ulerythema ophryogenes | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Blanching rash | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Non-blanching rash | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Lower leg skin pigmentation | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Cicatricial alopecia due to lichen planus | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Skin phototype finding | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Constitutive skin pigmentation finding | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Alopecia due to disturbance of hair cycle | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Alopecia due to underlying disease | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Alopecia due to friction and trauma | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Hair shaft damage by chemical | Finding site | True | Hair structure | Inferred relationship | Some | 1 | 
| Drug-induced hair abnormality | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Genetic defect of hair shaft | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Acne necrotica varioliformis of scalp margin | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Ultraviolet-induced skin pigmentation - tanning | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Constitutional sun sensitivity finding | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype I (always burn, never tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype II (initially always burn, then usually tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIa (initially always burn, then light tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIb (initially always burn, eventual moderate tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIc (initially always burn, eventual deep tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype III (initially sometimes burn, then usually tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIIa (initially sometimes burn, then light tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIIb (initially sometimes burn, then moderate tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IIIc (initially sometimes burn, then deep tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Constitutional sun tolerance finding | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype IV (rarely burn, then always tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IVa (rarely burn, then light tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IVb (rarely burn, then moderate tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin photosubtype IVc (rarely burn, then deep tan) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype V (moderately pigmented) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Skin phototype VI (deeply pigmented) | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Pale white constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| White constitutive skin color | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Sallow constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Light brown constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Mid-brown constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Dark brown constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Black constitutive skin colour | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hypertrichosis in malnutrition | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hypertrichosis in anorexia nervosa | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hypertrichosis in hyperthyroidism | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hypertrichosis in hypothyroidism | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Hypertrichosis in porphyria | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Constitutionally-determined racial hirsutism | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Androgenetic alopecia in association with polycystic ovaries | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Postmenopausal androgenetic alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Circumscribed alopecia areata of scalp | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Circumscribed alopecia areata of eyelashes/eyebrows | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Circumscribed alopecia areata of beard area | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Circumscribed alopecia areata of limbs | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Circumscribed alopecia areata of trunk | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Postmenopausal frontal fibrosing alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 2 | 
| Post-partum telogen effluvium | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Telogen effluvium of the newborn | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Chronic telogen effluvium | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Short anagen syndrome | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Massage alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Marginal alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Brush roller alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Hot comb alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Brush alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Chronic diffuse alopecia | Finding site | False | Hair structure | Inferred relationship | Some | 1 | 
| Trichoschisis | Finding site | False | Hair structure | Inferred relationship | Some |  | 
| Poliosis in Vogt-Koyanagi-Harada syndrome | Finding site | True | Hair structure | Inferred relationship | Some | 3 |