Urinalysis (UA) Clearance Ratio
- Test Code
- CT765
- Results:
- 1-2 days.
- Container
- Urine transport tube, serum in red top or serum separator tube.
- Specimen
- 0.5 mL urine and 0.5 mL serum.
- Test Description
- Urinary Clearance Creatinine Ratios (Phosphorous, Calcium, Sodium, Potassium, and Chloride).
Determination of urine fractional excretion is indicated to assess renal clearance of specific substances.
Interferences: Marked hemolysis and lipemia in serum.