Specimen Requirements

Urine and plasma or serum are required. Plasma or serum specimen must be drawn during the 24-hour period of urine collection.

Specimen Type: Urine, 24-hour collection

Container/Tube: Plastic urine container
Specimen Volume: Entire collection

Collection Instructions:

1. No preservative.

2. Refrigerate specimen during collection.

Additional Information:

1. Starting and ending times of collection are required.

2. Follow instructions in Urine Collection in Special Instructions.

Submit only 1 of the following specimens:

Specimen Type: Plasma

Container/Tube: Green top (lithium heparin)

Specimen Volume: 0.5 mL

Additional Information:

1. If #CREA Creatinine, Plasma or Serum has already been performed, please submit creatinine value with urine specimen.

2. Label specimen appropriately (plasma).

Specimen Type: Serum

Container/Tube: Serum gel

Specimen Volume: 0.5 mL

Additional Information:

1. If #CREA Creatinine, Plasma or Serum has already been performed, please submit creatinine value with urine specimen.

2. Label specimen appropriately (plasma).