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Test Code LAB10425 Ethosuximide

Department

SEND OUTS

Reference Lab Test Number

ETHSX

Refer To

Warde Lab

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Green (Sodium Heparin)

Lavender 4 mL (K3EDTA)

Transport

Serum or plasma refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate and send 1.0 mL serum in a screw-capped plastic vial.

Stability

Ambient: 48 hours

Refrigerated: 14 days

Frozen: 14 days

Minimum Testing Volume

0.2 mL

Reference Range

40–100 µg/mL

Toxic: >200 µg/mL

Methodology

High Performance Liquid Chromatography

Performed

Monday – Friday

Reported

2 – 4 days

CPT Codes

80168

Unacceptable Conditions

SST