Test Overview
Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference Range *

150 - 300 ng/mL

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

Test Details
Days Set Up
Monday - Friday
Analytic Time

4 - 8 days

Soft Order Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo TRMP (MedTox 127)
Section
Special Testing
Specimen Requirements
Collection

Collect in red or green top tube; do not use SST or PST tube. Centrifuge, aliquot serum or plasma into a plastic vial and refrigerate.

Special Handling

DO NOT USE SST OR PST TUBE

Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum or plasma
Minimum Volume
0.25 mL serum or plasma
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80335
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