Specimen Requirements

Submit only 1 of the following specimens:

Preferred:

Serum

Draw blood in a Gold-top serum gel tube(s) 15 minutes prior to next dose. Spin down and send 1 mL refrigerated

Note:  1. Date and time of draw are required on request form and specimen for processing.

2. A speckled-top serum gel tube(s) or a red-top tube (s) is also acceptable.

3. Indicate serum and trough/pre-dose on request form.
4. Label specimen appropriately (serum and as trough/pre-dose).

Alternate:

Plasma

Draw blood in a green-top (heparin) tube(s) 15 minutes prior to next dose. Spin down and send 1 mL refrigerated

Note:  1. Date and time of draw are required on request form and specimen for processing.

2. Indicate plasma and trough/pre-dose on request form.
3. Label specimen appropriately (plasma and as trough/pre-dose).

Specimen Stability Information