Test Code CRCL Creatinine Clearance, 24 Hour Urine and Serum

Important Note

Serum and urine are required. Blood specimen should be drawn during 24-hour period of urine collection or the day before.

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.

Ambient-Serum

Refrigerate-Urine

The Valley Hospital

See lab report for reference range