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
Synonyms
    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