Methadone Urine
Also Known As
Test Parameters Included
- Methadone Urine Concentration (ng/mL) - qualitative/quantitative detection of methadone and its primary metabolite EDDP
- Pathologist Toxicology Remark - confirmed by GC-MS or LC-MS/MS methodology
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does the Methadone Urine test detect?
This test detects methadone, a synthetic opioid used in pain management and addiction treatment, along with its primary metabolite EDDP (2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine) in urine.
Why is EDDP measured alongside methadone?
EDDP is the active metabolite of methadone and confirms recent use. Measuring both methadone and EDDP helps distinguish prescribed use from misuse and verifies patient compliance in opioid substitution therapy.
Is fasting required for this test?
No, fasting is not required. Methadone and its metabolites are stable in urine and can be detected for several days after use regardless of food intake.
How long after methadone use can it be detected in urine?
Methadone is typically detectable in urine for 2 to 4 days after a single dose. With chronic daily use, detection may extend up to 7 days or longer depending on metabolism and dosage.
Can this test differentiate between prescribed and illicit methadone use?
No, this test identifies the presence of methadone and EDDP but cannot determine the source. Clinical correlation with prescription records and patient history is essential for accurate interpretation.
How to access the report?
Verified PDF report is available within 24 hours via www.drpatholab.in or through WhatsApp and email from Dr. Patho Labs, Chhatrapati Sambhajinagar.
Test Description
Test Code
M40
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