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Urinalysis, Complete
Test CodeURIN
Includes
Macroscopic and Microscopic Examinations
Preferred Specimen
10 mL urine
Minimum Volume
1 mL, microscopic portion may not be able to be performed
Other Acceptable Specimens
3 mL (1 mL minimum) unpreserved urine cup • 10 mL (3 mL minimum) urine collected in a yellow/red swirl-topped conical transport tube with preservative
Instructions
Encourage mid stream samples to minimize contamination and improve accuracy.
Transport Container
Screw cap container
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Ambient: 1 hour
Refrigerated: 6 hours
Refrigerated: 6 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
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Methodology
Reagent Impregnated Strips/Tablets/Microscopic Examination
Setup Schedule
24/7
Report Available
Same day
Reference Range
| Color | Yellow |
| Appearance | Clear |
| Specific Gravity | 1.001-1.035 |
| pH | 5.0-8.0 |
| Glucose | Negative |
| Bilirubin | Negative |
| Ketones | Negative |
| Occult Blood | Negative |
| Protein | Negative |
| Nitrite | Negative |
| Leukocyte Esterase | Negative |
| WBC | ≤5 /HPF |
| RBC | ≤2 /HPF |
| Squamous Epithelial Cells | ≤5 /HPF |
| Transitional Epithelial | ≤5 /HPF |
| Renal Epithelial Cells | ≤3 /HPF |
| Bacteria | None seen |
| Calcium Oxalate Crystals | None or Few |
| Triple Phosphate Crystals | None or Few |
| Uric Acid Crystals | None or Few |
| Amorphous Sediment | None or Few |
| Crystals | None seen |
| Hyaline Casts | None seen |
| Granular Casts | None seen |
| Casts | None seen |
| Yeast | None seen |
Clinical Significance
Dipstick urinalysis is important in accessing the chemical constituents in the urine and the relationship to various disease states. Microscopic examination helps to detect the presence of cells and other formed elements.
