Test Details

Mnemonic

DEXAM

Ordering Code

3511995

CPT-4 Code(s)

82542

Specimen Information

Collect

SST

Specimen Preparation

Centrifuge, separate serum from cells within 1 hour and send 3.0 mL serum frozen in a screw-capped plastic vial.

Alternate Specimen

Serum: Red-top
Plasma: EDTA or heparin (sodium or lithium)

Minimum Volume

1.0 mL

Transport Temperature

Frozen

Rejection Criteria

Gross hemolysis

Stability

Room temperature: 6 days
Refrigerated: 14 days
Frozen: 14 days

Methodology

HPLC/Tandem Mass Spectrometry
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Reference Range

See report
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Performing Laboratory

Esoterix
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