Test Details

Mnemonic

FATYA

Ordering Code

3502760

CPT-4 Code(s)

82542

Specimen Information

Patient Preparation

Patient must avoid alcohol for 24 hours prior to draw. Patient should also fast overnight (12 - 14 hours).

Collect

Green sodium heparin

Specimen Preparation

Centrifuge and separate plasma from cells within 45 minutes of collection. Send 0.5 mL plasma frozen in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA or green lithium heparin

Minimum Volume

0.15 mL

Transport Temperature

Frozen

Rejection Criteria

Lipemia

Stability

Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 92 days

Methodology

Gas Chromatography-Mass Spctrometry (GC-MS)
Stable Isotope Dilution Analysis
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Reference Range

See report
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Performing Laboratory

Mayo Clinic Laboratories
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New York DOH Approval Status

Yes
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