Specimen Requirements

Submit only 1 of the following specimens:

Plasma

Container/Tube: Green-top (sodium heparin) tube or mint-top (lithium heparin) tube-Mint-top tube is acceptable if specimen is poured off within 2 hours.

Specimen Volume: 1 mL of plasma

Collection Instructions:

Trough: Draw 30 minutes before next dose.

Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

Serum

Container/Tube: Plain, red-top tube or serum gel tube-Serum gel tube is only acceptable if poured off within 2 hours.

Specimen Volume: 1 mL of serum

Collection Instructions:

Trough: Draw 30 minutes before next dose.

Note: 1. Indicate serum.

2. Label specimen appropriately (serum).