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Creatinine Clearance 24 hr

Centralized Core Laboratory - : Chemistry

Test ID :
Test Workstation :
Specimen Type:
Blood and Urine
Tube Type:
Green top (lithium heparin) tube and Urine container
Minimum Volume:
500 uL Blood Entire 24 hour Collection. See Special Instructions.
Preferred Volume:
1.5 mL Blood Entire 24 hour Collection. See Special Instructions.
Shipping- Send Refrigerated; Storage- Plasma Room Temp and Refrigerated 7 days; Frozen: 3 months; Urine- Room Temp and Refrig. 6 days, Frozen: 6 mos.
24 hours/day, 7 days/week
Roche-Enzymatic Colorimetric
Special Instructions:
Collect 1.5 mL Green top (lithium heparin) tube and 24 hour urine in an urine collection container. Due to compliance regulations blood creatinine must be collected during the 24 hours that the urine is being collected. Instruct patient on 24 hour urine collection. Refrigerate 24 hour urines during collection. Do not use urine preservatives. Mark each collection container with the following information required for resulting: patient demographic information, patient height (centimeters), patient weight (kilograms), and date and time collection was started and finished. Deliver specimens promptly to the lab.
1 hour
Additional Info:
Ref. range is age dependent; avail on patient report
CPT Code:

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