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Test Code CREATININE CLEARANCE 24 HOUR URINE CREATININE CLEARANCE 24 HOUR URINE

Department

Chemistry

Specimen Type

Urine and Plasma or Serum

Method

Enzymatic

Container

Lithium heparin (green top) or No additive (red-top) and 24 hour urine container. 

Special Requirements

Boric Acid or Hydrochloric Acid as a preservative. The preservative can be added before or after collection. 

 Patient’s height, weight and urine total volume required for calculation. Plasma or serum must be collected within 24 hours of urine collection.

Standard Volume

10ml

Minimum Volume

5ml

Pediatric Volume

N/A

Ship Temperature

Room Temperature

Stability Refrigerated

6 days for urine

7 days for serum or plasma

Stability Room Temp

2 days for urine

7 days for serum or plasma

Stability Frozen

6 months for urine

3 months for serum or plasma

CPT Code

82575

Days Test Set Up

Monday through Sunday

Group Components

Hour collected, weight, total volume, serum creatinine, urine creatinine, height, body surface area, creatinine clearance