Red serum vial/tube, 5 mL

1. Allow sample to clot
2. Spin
3. Transfer serum to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as serum, within two (2) hours of sample collection

Transfer vial/tube with cap - 12mL (LabCorp)

Dk green Sodium heparin (Na hep), no gel

Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting

1. Spin
2. Transfer plasma to a Transfer vial/tube with cap - 12mL (LabCorp), labelled as Na hep plasma, within two (2) hours of sample collection

Ambient (preferred) - 3 days

For storage beyond three days, specimen should be refrigerated or frozen.

Refrigerated (OK)

Frozen (OK)

• Gel-barrier tubes

Gas chromatography/flame ionization detection (GC/FID)

Therapeutic and toxic ranges have not been established
Usual therapeutic doses produce mitotane serum concentrations of less than 100 µg/mL