Test Details

Mnemonic

MMA01

Ordering Code

1013000

CPT-4 Code(s)

83921

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Lavender EDTA, red top

Minimum Volume

0.5 mL

Transport Temperature

Frozen

Rejection Criteria

Hemolyzed or lipemic specimens

Stability

Room temperature: Unacceptable
Refrigerated: 4 days
Frozen: 14 days

Methodology

High Performance Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

<0.4 umol/L
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Performing Laboratory

Warde Medical Laboratory
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New York DOH Approval Status

No
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