Test Details

Mnemonic

METHX

Ordering Code

3504930

CPT-4 Code(s)

80339 (G0480)

Specimen Information

Collect

Red top

Specimen Preparation

Centrifuge and remove serum from cells within 2 hours of collection. Send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum sepator tube (SST), Plasma separator tube (PST)

Stability

Room temperature: 7 days
Refrigerated: 30 days
Frozen: 18 months

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

See report
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Performing Laboratory

NMS Labs
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New York DOH Approval Status

Yes
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