| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Mid-stream urine specimen | Is a | True | Urine specimen | Inferred relationship | Some |  | 
| Early morning urine specimen (specimen) | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| Suprapubic aspirate specimen (specimen) | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| 24 hour urine specimen (specimen) | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| Spot urine specimen (specimen) | Is a | True | Urine specimen | Inferred relationship | Some |  | 
| Catheter submitted as specimen (specimen) | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| Urinary catheter specimen | Is a | True | Urine specimen | Inferred relationship | Some |  | 
| Urine sediment specimen | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| Urine specimen obtained by clean catch procedure | Is a | True | Urine specimen | Inferred relationship | Some |  | 
| Sodium measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Chloride measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Electrolytes measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Magnesium measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Potassium measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Calcium measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine drug measurement | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine electrolytes NOS | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine drug level NOS | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine bisacodyl level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine EDDP level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine monoacetyl morphine level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine salicylate level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine danthron measurement (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine dextropropoxyphene level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine diamorphine level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine D-Lysergic acid level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine methylamphetamine level | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine phencyclidine level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine rhein level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine bisacodyl metabolites level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinary cortisol analysis (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine flunitrazepam level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine diazepam level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine methaqualone level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine morphine metabolite level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine nitrazepam level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine temazepam level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine oxazepam level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Fat stain, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Cell count, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Red blood cell count, automated, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Neutrophil count, automated, urine (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Lactose measurement, urine, qualitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Porphyrins, qualitative measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urobilinogen measurement, urine, qualitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urobilinogen measurement, urine, semi-quantitative | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Urobilinogen measurement, timed urine specimen, quantitative | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urinalysis, reagent strip with microscopy | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, automated, with microscopy | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, automated, without microscopy | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Two glass urine test (Thompson's test) | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Three glass urine test | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, pyuria screen | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinalysis, blood, qualitative | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Consistency of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Contents of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| First glass appearance | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| First glass clear | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| First glass contains specks or sediments | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| First glass contains mucous | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| First glass contains threads or strands | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Second glass appearance | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Second glass clear | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Second glass contains specks or sediments | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Second glass contains mucous | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Second glass contains threads or strands | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Voided urinary volume | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Single voided urinary volume | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine reducing substance screening | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinary haemosiderin detection | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Two glass urine test - first glass | Has specimen | True | Urine specimen | Inferred relationship | Some | 4 | 
| Two glass urine test - second glass | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Porphobilinogen measurement, qualitative, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine appearance | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Timed urine volume (observable entity) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| 24 hour voided urinary volume (observable entity) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Microscopic urinalysis | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urine concentration test | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Protein, urine, Bence-Jones | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinalysis, specific gravity measurement | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, automated | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Crystal identification, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Ward urine dip stick testing for sugar | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Urinalysis | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinalysis, routine and microscopic | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, sediment examination, uncentrifuged | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Melanin measurement, urine, qualitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Ward urine dip stick testing | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Calcium, urine, qualitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Qualitative measurement of urobilin in urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine dilution test | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, acetone or ketone bodies measurement | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Urinalysis, reagent strip without microscopy | Has specimen | False | Urine specimen | Inferred relationship | Some | 2 | 
| Rapid urine screening test, enzyme tube test | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Ferric chloride test, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Rapid urine screening test, bioluminescence | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinalysis, protein, qualitative | Has specimen | False | Urine specimen | Inferred relationship | Some | 4 | 
| Water load test | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urinalysis, sediment examination, centrifuged | Has specimen | False | Urine specimen | Inferred relationship | Some | 3 | 
| Hemosiderin measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urobilinogen measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 |