Methadone & Metabolite

Label Mnemonic:	METHU
Epic code:	LAB3590
Downtime form:	Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Random Urine

Collection Medium:

Yellow top round bottom tube (no additive)

Minimum:

Preferred Minimum: 1 mL urine
Absolute Minimum: 0.5 mL urine

Rejection Criteria:

Specimens exposed to repeated freeze/thaw cycles.

Turn Around Time:

1-7 days upon receipt in reference laboratory

Reference Range:

Positive cutoff: 100 ng/mL

Interpretive Data:

Drugs covered: Methadone and EDDP.

Positive cutoff: 100 ng/mL

For medical purposes only; not valid for forensic use. 

The absence of expected drug(s) and/or drug metabolite(s) may indicate 
non-compliance, inappropriate timing of specimen collection relative to 
drug administration, poor drug absorption, diluted/adulterated urine, 
or limitations of testing. The concentration value must be greater than 
or equal to the cutoff to be reported as positive. Interpretive 
questions should be directed to the laboratory.

Methodology:

Quantitative Liquid Chromatography-Tandem Mass Spectrometry

CPT Code:

80358