Test Overview
Test Methodology

Gas Chromatography (GC)

Test Usage

Therapeutic drug monitoring.

Test Details
Days Set Up
Thursday
Analytic Time

6 - 9 days

Soft Order Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo Wild 86 (NMS 3550SP)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and freeze. Protect specimen from light. EDTA (lavender top) or heparinized (green top) plasma is also acceptable.

Special Handling

Protect specimen from light.

Normal Volume
5 mL serum, PFL
Minimum Volume
2.2 mL serum, PFL
Rejection Criteria
SST tube not acceptable.
Additional Information

Test sent to Mayo Medical Laboratories; performed by NMS Labs.

Billing
CPT Code
80338
Fee Code
32157
LOINC
9778-2
NY State Approved
No