Test Code CRCL Creatinine Clearance, 24 Hour Urine and Serum
Specimen Requirements
Call The Valley Hospital Laboratory at 201-447-8232 prior to specimen collection to obtain urine container.
Serum
Container/Tube: Gold top tube(s)
Specimen Volume: 1 mL of serum
Collection Instructions:
Note: Label specimen appropriately.
Urine
Container/Tube: Plastic urine container
Specimen Volume: Entire 24-hour urine collection
Collection Instructions: No preservative. Refrigerate specimen during collection.
Note: 1. Starting and ending times of collection are required.
2. Follow instructions in “Urine Collection” in Special Instructions.
3. Label specimen appropriately.
Specimen Transport Temperature
Ambient-Serum
Refrigerate-Urine
Performing Laboratory
The Valley Hospital
Reference Values
See lab report for reference range