Specimen Requirements

Submit only 1 of the following specimens:

Specimen Type: Plasma

Container/Tube: Green top (lithium heparin gel)

Specimen Volume: 3 mL

Collection Instructions:

1. Fasting-overnight (12-14 hours) (water only). If possible, discontinue any drugs for 3 to 4 weeks prior to testing. Patient must not consume any alcohol for 72 hours before specimen is drawn. Patient should be on a stable diet for 3 weeks prior to test.

2. Avoid draw tubes containing glycerol-lubricated stoppers.

3. Avoid icteric or lipemic specimen.

4. Label specimen appropriately (plasma).

Specimen Type: Serum

Container/Tube: Red top or serum gel

Specimen Volume: 3 mL

Collection Instructions:

1. Fasting-overnight (12-14 hours) (water only). If possible, discontinue any drugs for 3 to 4 weeks prior to testing. Patient must not consume any alcohol for 72 hours before specimen is drawn. Patient should be on a stable diet for 3 weeks prior to test.

2. Avoid draw tubes containing glycerol-lubricated stoppers.

3. Avoid icteric or lipemic specimen.

4. Label specimen appropriately (serum).