Test Details

Mnemonic

AMAPQ

Ordering Code

3500360

CPT-4 Code(s)

82139

Specimen Information

Patient Preparation

Adults: fasting specimen preferred
Children: pre-feed specimens preferred

Collect

Green sodium or lithium heparin

Specimen Preparation

Centrifuge and separate plasma from cells within 2 hours of collection avoiding buffy coat material. Send 0.5 mL plasma frozen in a screw capped plastic vial. CRITICAL FROZEN.

Clinical indication is needed for appropriate interpretation; additional required information includes age, sex, diet (e.g., TPN therapy) drug therapy and family history.

Separate specimens must be submitted when multiple tests are ordered.

Minimum Volume

0.25 mL

Transport Temperature

Critical frozen

Rejection Criteria

Hemolyzed specimens

Stability

Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 30 days

Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

See report
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Performing Laboratory

ARUP
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New York DOH Approval Status

Yes
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