METHADONE, SERUM, QUALITATIVE

Components
Also see Drug Abuse Screen, Serum.

Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Plasma: EDTA, fluoride, oxalate

Rejection Criteria
SST

Methodology
Enzyme-Multiplied Immunoassay Technique

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 14 days

Reference Range
Decision level: 150 ng/mL

Performed
Monday-Friday

Turnaround Time1-3 days
Test CodeSMTH1
CPT-4 Code (s)
80307
LOINC Codes
59705-4

Warde
Medical
Laboratory