S120

Test CODE NAME

S120

Creatinine Clearance

Methodology: Spectrophotometry
Performed: Sun-Sat
Reported: 3-5 days
Specimen Required: Collect: Serum Separator Tube (SST)  - 1 ml serum;
            AND well-mixed, 24-hour urine collection  - 10 ml;
 
Specimen Preparation: Allow  blood specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection
Please indicate the total urine volume and the start and end time of collection on the request form. Indicate the patient's height (in feet and inches) and weight (in lbs.) on test requisition.
Note: A serum creatinine level must be collected within 24 hours of the beginning or ending of the urine collection.
Storage/Transport Temperature: Room Temperature
Stability: Room Temperature/Refrigerated: 1 week, Frozen : 28 days

Reject Criteria:    Grossly icteric serum

NOTE: * This test is approved for all states. *
Performing Lab
Quest Diagnostics Nichols INST
CPT Code(s): 82575