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2005207
Urea Clearance
UNCL
Ordering Recommendation
New York DOH Approval Status
This test is New York state approved.
Specimen Required
Patient Preparation
Collect
24-hour urine (refrigerate during collection). AND Plasma Separator Tube (PST) or Serum Separator Tube (SST), collected within 48 hours of initiating urine collection.
Specimen Preparation
Transfer one 3 mL aliquot of urine from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) AND transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Random urine collections.
Remarks
Record total volume and collection time interval on transport tube and test request form.
Stability
Ambient: 48 hours; Refrigerated: 7 days; Frozen: 1 month
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 24 hours
Reference Interval
Effective July 18, 2011
64-99 mL/min
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
84545
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0020216 | Urine Urea Nitrogen - mg/dL | 12967-6 |
| 0097110 | Total Volume | 19153-6 |
| 0097111 | Hours Collected | 30211-7 |
| 2005208 | Urea Clearance | 51735-9 |
| 2005209 | Urea, Serum | 3094-0 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Urea clearance, Urine
- renal urea clearance
- Urea Nitrogen Clearance
- urea excretion
Urea Clearance
