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Test Code LAB12899 Dexamethasone

Department

SEND OUTS

Reference Lab Test Number

DEXAM

Collection Requirements

Patient Preparation: Draw specimen between 8:00 am and 10:00 am

Refer To

Warde Medical Laboratory to Esoterix

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Green (Sodium Heparin)

Green (Lithium Heparin)

Transport

Serum or Plasma Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate serum from cells. Draw specimen between 8:00 am and 10:00 am and send 0.85 mL serum in a screw capped plastic vial.

Stability

Ambient: 72 hours

Refrigerated: 14 days

Frozen: 90 days

Minimum Testing Volume

0.25 mL

Reference Range

Baseline: <20 ng/dL

1m dexamehtasone overnight: 180 – 550 ng/dL (8:00 am – 10:00 am)

Methodology

Chromatography/Mass Spectrometry

Performed

Monday

Reported

7-15 days

CPT Codes

82542

Unacceptable Conditions

Grossly lipemic; gross hemolysis; serum separator tubes