Specimen Requirements

Serum and urine are required for this test. Serum must be drawn at time of urine collection.

Serum
Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down and send 1 mL of serum.
Note:  Label specimen appropriately (serum).

Urine
Submit an entire 24-hour urine collection in a urine container. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.

Note:  1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collection—Huntsville Hospital Health System Laboratory” in “Special Instructions.”

3. Label specimen appropriately (urine).