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Test Code LAB20589 Methadone, Quantitative - Serum

Department

SEND OUTS

Reference Lab Test Number

METHD

Refer To

Warde Medical Laboratory

Primary Collection Container

Red (No Gel)

Transport

Serum refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate and send 1.0 mL serum.

Stability

Ambient: 48 hours

Refrigerated: 7 days

Frozen: 14 days

Minimum Testing Volume

0.5 mL

Reference Range

Therapeutic:

100–400 ng/mL (analgesic)

100–1000 ng/mL (addict therapy)

Toxic: >2000 ng/mL

Methodology

High Performance Liquid Chromatography

Performed

Monday – Friday

Reported

2-4 days

CPT Codes

80358 (G0480)

Unacceptable Conditions

SST