| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Cerebrospinal fluid oligoclonal bands | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid cytologic material | Is a | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebroventricular fluid cytologic material | Is a | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Spinal fluid cytologic material | Is a | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cell count, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Neutrophil count, automated, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Red blood cell count, automated, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| White blood cell count, automated, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid gram stain method | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid fungus stain method | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Acetoacetic acid measurement, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid microscopy | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid immunoglobulin G ratio and immunoglobulin G index | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid immunoglobulin G | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid immunoglobulin G synthesis rate | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cell count and differential, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Glucose measurement, cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid protein electrophoresis | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid examination | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid examination - general | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid culture | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid lactate measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid immunoglobulin G measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid albumin measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid examination - general NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid cell content NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: electrophoresis NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid sodium measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid potassium measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid urea measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid organic acid measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid amino acid chromatography | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid Tau protein measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid alpha-fetoprotein measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid total human chorionic gonadotropin measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid net bilirubin absorbance | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid index | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid oligoclonal band screening test | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid microscopy culture and sensitivities | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Glucose cerebrospinal fluid/glucose plasma ratio measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of methotrexate in cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Myelin basic protein measurement, spinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Measurement of protein in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Measurement of beta 2 microglobulin in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Quantitative measurement of amino acid in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Measurement of AD7c neuronal thread protein concentration in cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 2 | 
| Pandy test | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 3 | 
| Cerebrospinal fluid 5-Hydroxyindole acetic acid measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Evaluation of cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Beta-glucuronidase measurement, spinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Measurement of 14-3-3 protein concentration in cerebrospinal fluid | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 2 | 
| Cerebrospinal fluid: protein level NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: globulin level NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid globulin measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Measurement of glycine in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Quantitative measurement of mass concentration of immunoglobulin M in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid chloride measurement | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Quantitative measurement of mass concentration of immunoglobulin A in cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebrospinal fluid specimen from ventricle of brain | Is a | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid specimen obtained via ventriculoperitoneal shunt | Is a | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid specimen obtained from Rickham reservoir | Is a | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid microscopy | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Microscopic examination of bacterial smear of cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Microscopic examination of cerebrospinal fluid specimen for parasites | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Microscopic cytologic examination of smear of cerebrospinal fluid specimen prepared using Papanicolaou technique | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Microscopic cytologic examination cerebrospinal fluid specimen | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Spun cerebrospinal fluid | Is a | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid smear specimen | Is a | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: protein level NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: chloride level NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: electrophoresis NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid cell content NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid examination - general NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Cerebrospinal fluid: globulin level NOS | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Measurement of ammonia in cerebrospinal fluid specimen (procedure) | Has specimen | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 2 | 
| Measurement of ammonia in cerebrospinal fluid specimen (procedure) | Has specimen | False | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier |  | 
| Catalytic activity of placental alkaline phosphatase in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of chloride in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Mycoplasma pneumoniae immunoglobulin M antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Arbitrary concentration of beta-human chorionic gonadotrophin in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Measles virus immunoglobulin G antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of 5-hydroxyindoleacetic acid in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Titre of Epstein-Barr virus capsid antigen immunoglobulin G antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Leptospira species pluralis total antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Arbitrary concentration of N-methyl-D-aspartate receptor antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Human immunodeficiency virus antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Herpes simplex virus immunoglobulin G antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Epstein-Barr virus nuclear antigen immunoglobulin G antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of sodium in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Mass concentration of albumin in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Mass concentration of total protein in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of glycine in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Toscana virus total antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Absorption of oxyhaemoglobin in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Borrelia burgdorferi total antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Ambulant substance concentration of aldosterone in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Arbitrary concentration of Varicella zoster virus immunoglobulin G antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Catalytic activity of lactate dehydrogenase in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Qualitative result of Treponema species pluralis total antibody in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Substance concentration of threonine in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 | 
| Mass concentration of protein 14-3-3 in cerebrospinal fluid (observable entity) | Direct site | True | Cerebrospinal fluid specimen | Inferred relationship | Existential restriction modifier | 1 |