- UNCLB
Urea Nitrogen Clearance, Urine, 24 Hour (RPS)
Test Code
UNCLB
Specimen Name
Urea Nitrogen Clearance, Urine, 24 Hour (RPS)
CPT Codes
- 84545
Collect
24Hr Container, No Preservative (1), SST/CHEMISTRY SERUM (1)
Stability
Frozen
Volume
Volume: 10 mL aliquot of 24 Hour urine AND 1 mL serum (or provided result)
Minimum Volume
—
Performed
—
Additional Information
A serum specimen collected or a BUN result completed within 48 hours of urine collection is required to be submitted with the 24 Hour urine aliquot specimen. _x000D_
_x000D_
Refrigerate up to 48 hours and then freeze.
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Common Lab Definitions
- Serum
- Plasma
- STT