Creatinine Clearance

CERNER / EPIC MNEMONIC: U/CRCL
POE DESCRIPTION: URINE CREATININE CLEARANCE
CPT CODE: 82575, 81050
TEST INFORMATION: For optimal results, the patient should avoid meat, tea, coffee, or drugs on the day of the test.
DAYS PERFORMED: Specimen accepted daily, 24 hours
TURNAROUND TIME: 8 hours
SPECIAL INSTRUCTIONS: Blood creatinine should be ordered and sent to the laboratory during urine collection. Both blood and urine creatinine measurements are necessary to calculate creatinine clearance. If a corrected clearance is requested, the patient`s height and weight must be written on the requisition. For timed urine collection, instruct the patient to void at the beginning of the collection period and discard the specimen. Collect all urine including the final specimen voided at the end of the collection period. Containers must be labeled with patient`s full name, room number, date and time collection started, and date and time collection finished.
CONTAINER TYPE:

SSTTM tube, 24 hour urine container (Bottle #1) with no preservative

SPECIMEN REQUIREMENTS: Blood (serum), 24-hour urine collection
MINIMUM VOLUME: 4 mL blood (2 mL serum); submit entire urine collection to the laboratory.
HANDLING INSTRUCTIONS: Refrigerate urine during collection.
REFERENCE RANGE:

Male: (8 -15yrs) 98 – 150 ml/min

              (15- adult) 85 -125 ml/min

Female: (8-15yrs) 95-122 ml/min

              (15 – adult) 75 -115 ml/mn

LAST UPDATED:

11-11-2013

TEST SYNONYM(S):Clearance, Creatinine; CrCl; Creat Clearance; Creatinine Clearance, Endogenous