Creatinine Clearance, Urine
General Information
- Lab Name
- Creatinine Clearance, 24hr Urine
- Lab Code
- UCLEAR
- Epic Name
- Creatinine Clearance, Urine
- Description
- Note: Creatinine from a blood sample is required to calculate Creatinine Clearance. If blood is not received 48 hours prior to, during or upon completion of urine collection, only a URINE CREATININE [UCRE] will be performed.
- Components
-
Code Name CREINT Creatinine Interval CRETV Creatinine Volume CREPU Creatinine/Unit, Urine CREPT Creatinine/24hr, Urine CLEAR Creatinine Clearance
Interpretation
- Reference Range
- See individual components
Ordering & Collection
- Specimen Type
- Urine
- Collection
-
24-hour collection preferred; shorter timed collections (e.g., 12-, 8-, 6- or 4-h) accepted. A specimen with NO preservative is preferred; specimens preserved with acetic acid, boric acid or hydrochloric acid are acceptable.
- Handling Instructions
Creatinine is stable in urine with or without preservative for 2 days at room temperature and 6 days refrigerated.
- Quantity
-
Requested: 10 mL urine + 0.2 mL serum
Minimum: 0.5 mL urine + 0.2 mL serum
Processing
- Receiving Instructions
Mix urine, Measure & record Total Volume. Refrigerate urine.
Note: Be sure there is a BLOOD creatinine ordered within 48 hours of the urine collection.
- Misc Sendout
Performance
- Lab Department
- Chemistry, Automated Panels(CHA)
- Frequency
- Daily
- Available STAT?
- No
- Performing Location(s)
-
HMC Chemistry, Automated
206-520-4600325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW Main Lab
206-668-1344UW Medical Center – Northwest
1550 N 115th Street, A200
Seattle, WA 98133FHCC Fred Hutch Alliance Lab
206-606-1088825 Eastlake Ave, Seattle, WA 98109
UW-MT Chemistry, Automated
206-520-4600Clinical Lab, Room NW220,
University of Washington Medical Center,
1959 NE Pacific street, Seattle, WA 98195
Billing & Coding
- CPT Codes
- 82575
- LOINC
- 2164-2
- Interfaced Order Code
- UOW4987