| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Urobilinogen measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urinalysis, glucose, qualitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Titratable acidity, urine measurement | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urinalysis, bacteriuria screen | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Indican measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Finding of urine color | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Ward urine dip stick testing for acetone | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Bile pigment measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine microscopy for casts | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Asymptomatic bacteriuria screening | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine appearance NOS | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine microscopy: casts NOS | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Measurement of urine norepinephrine/creatinine ratio (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Urine ephedrine level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine methylmalonic acid level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine buprenorphine level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine oxalate/creatinine ratio (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine output observable | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Measure of urine output | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine observable | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Odor of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine ethambutol level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine rifampicin level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine beta 2 microglobulin level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine deoxypyridinoline level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine 18-hydroxycortisol level (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| 24 hour urine output (observable entity) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Timed urine specimen | Is a | True | Urine specimen | Inferred relationship | Some |  | 
| Specimen volume measurement for timed urine collection | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Cystoscopic ureteric sampling of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Measurement of total haemoglobin concentration in urine specimen | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Bacterial culture, urine, with colony count | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Bacterial culture, urine, with organism identification | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Bacterial culture, urine, by commercial kit | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Febrile agglutinins measurement, Brucella, Francisella, Murine typhus, Q fever, Rocky Mountain Spotted Fever, scrub typhus | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Osmolar gap measurement, urine (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Albumin measurement, urine, quantitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Catecholamines, total measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Lactose measurement, urine, quantitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Microalbumin measurement, urine, quantitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Microalbumin measurement, urine, semi-quantitative | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Porphobilinogen measurement, quantitative, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Porphyrins, quantitation and fractionation, urine (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Sulfate measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Taurine measurement | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urea nitrogen measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urea nitrogen renal clearance measurement | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Collection of nephrostomy urine specimen | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Collection of ureterostomy urine specimen | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Collection of early morning urine specimen | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Overnight collection of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Timed urine collection | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Collection of mid-stream specimen of urine | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine titratable acidity measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine acidification test | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Ammonium chloride acidification test | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Calcium chloride loading test | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Sodium sulfate loading test | Has specimen | True | Urine specimen | Inferred relationship | Some | 3 | 
| Postcoital urine test (procedure) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine specimen collection, 2 hours | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Iodine, urine free measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Measurement of vanillylmandelic acid in urine specimen (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine culture | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Quantitative urine culture | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Quantitative urine culture, 1:10 dilution (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Quantitative urine culture, 1:100 dilution | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Quantitative urine culture, 1:1000 dilution | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine catecholamine test | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Self-monitoring of urine glucose | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Self-monitoring of blood and urine glucose | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine catecholamine measurement | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Mercaptopurine measurement (procedure) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Tryptamine measurement | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Antimony measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Urine specimen collection, closed drainage (procedure) | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Bilirubin measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| N-methylimidazoleacetic acid measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Porphyrin, quantitative measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Cortisol measurement, free, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Uric acid measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Collection of routine urine specimen for laboratory | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine specimen collection, 24 hours | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Silica measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Metanephrines measurement, total, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Amylase measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Citrate excretion measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Microalbuminuria measurement, 10-hour collection, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 2 | 
| Dopamine measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Glucose measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Estriol measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Myoglobin measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Alcohol measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Manganese measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Mercury measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Calcium excretion, 2-hour collection, fasting, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Creatinine measurement, 12 hour urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Selenium measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Collection of urine and strain for calculus | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| Urine specimen collection, 12 hours | Has specimen | False | Urine specimen | Inferred relationship | Some |  | 
| D-lactate measurement, urine | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 | 
| Measurement of urine coproporphyrin isomers series I and III (procedure) | Has specimen | True | Urine specimen | Inferred relationship | Some | 1 |