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Test Code LAB10557 Methadone GC/MS Confirmation Urine - Covenant Laboratory Only

Department

Send Outs

Reference Lab Test Number

UCMTH

Refer To

Warde Medical Laboratory

Primary Collection Container

Yellow Urine Vacutainer (No Additive)

Alternate Collection Container

Sterile Urine Cup

Transport

Urine Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Mix well and send 10 mL urine refrigerated in a screw-capped plastic container.

Stability

Room Temperature: 48 hours

Refrigerated: 14 days

Minimum Testing Volume

3.0 mL

Reference Range

Decision level: 100 ng/mL

Methodology

Liquid Chromatography/Tandem Mass Spectrometry

Performed

Monday-Friday

Reported

2-3 days

CPT Codes

80358 (G0480)

Unacceptable Conditions

Urine catheter cup (with needle)

Additional Information

Components

Confirms presence of methadone or its major metabolite, EDDP. Also see Drug Abuse Screen, Urine Panels with GC/MS confirmations.