| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Urine microscopy, culture and sensitivities | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine substance measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine substance metabolite screening test | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Urine cytomegalovirus nucleic acid assay | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine BK virus nucleic acid assay | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine vanadium measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1878606360 | 
| Urine molybdenum measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1349376039 | 
| Urine biopterin measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 767183534 | 
| Measurement of phosphoethanolamine in urine specimen | Has specimen | True | Urine specimen | Inferred relationship | Some | 1924750204 | 
| Urine BK virus nucleic acid assay | Has specimen | True | Urine specimen | Inferred relationship | Some | 1281703275 | 
| Urine silver measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 358358107 | 
| Measurement of glucose tetrasaccharide in urine specimen | Has specimen | True | Urine specimen | Inferred relationship | Some | 1254280761 | 
| Urine monapterin measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1778038639 | 
| Urine cytomegalovirus nucleic acid assay | Has specimen | True | Urine specimen | Inferred relationship | Some | 1376780234 | 
| Urine free light chain measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1309988494 | 
| Urine microscopy, culture and sensitivities | Has specimen | True | Urine specimen | Inferred relationship | Some | 2018108018 | 
| Urine pterin measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 782196594 | 
| Urine cyanide measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1853607165 | 
| Urine purine and pyrimidine screen | Has specimen | True | Urine specimen | Inferred relationship | Some | 1813037455 | 
| Urine purine and pyrimidine screen | Has specimen | True | Urine specimen | Inferred relationship | Some | 2085280196 | 
| Urine xanthine level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1281627551 | 
| Urine orotic acid level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1437465101 | 
| Urine xanthine level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1623249532 | 
| Urine xanthine level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1668365200 | 
| Urine orotic acid level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1325195330 | 
| Urine orotic acid level | Has specimen | True | Urine specimen | Inferred relationship | Some | 2042908014 | 
| Uric acid measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 504431728 | 
| Uric acid measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 972181556 | 
| Uric acid measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 396815411 | 
| Catheter submitted as specimen | Is a | False | Urine specimen | Inferred relationship | Some |  | 
| Urine dipstick and microscopy | Has specimen | True | Urine specimen | Inferred relationship | Some | 1760420891 | 
| Urine dipstick and microscopy | Has specimen | True | Urine specimen | Inferred relationship | Some | 2018979596 | 
| Combined cervical mucus and urine specimen | Is a | True | 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 | 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 | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine salicylate level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine danthron measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine dextropropoxyphene level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine diamorphine level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine D-Lysergic acid level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine methylamphetamine level | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine phencyclidine level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine rhein level | 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 | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine flunitrazepam level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine diazepam level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine methaqualone level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine morphine metabolite level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine nitrazepam level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine temazepam level | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine oxazepam level | 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 | 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 | True | 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 | True | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, automated, with microscopy | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Urinalysis, automated, without microscopy | Has specimen | True | 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 | True | 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 | 
| Urine haemosiderin detection | Has specimen | True | 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 |  |