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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

Primary Collection Container

Red (No Gel)

Transport

Serum 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