Test Overview
Test Methodology

Gas Chromatography (GC)

Test Usage

Therapeutic drug monitoring.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Thursday
Analytic Time

3 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.

Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
5 mL serum
Minimum Volume
3 mL serum
Additional Information

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

Billing
CPT Code
80338
Fee Code
32157
LOINC
9778-2
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