CPT Code: 82140

Methodology: Colorimetric

Performed: Mon – Fri

Reported: Within 24 hours

Specimen Required:

Collect: One 5 ml lavender (EDTA), Collect on ice
Transport: 2 ml plasma, frozen
Remarks: CRITICAL FROZEN – Separate plasma from cells ASAP
Unacceptable Conditions: Serum and non-frozen plasma. Do not submit whole blood
Stability: Frozen – 6 months