Opiates / Opioids / Narcotics - Urine (Drugs Of Abuse)
Also Known As
Test Parameters Included
- Urine Opiates/Opioids/Narcotics Screening (Positive/Negative) - immunoassay detection of common opioid metabolites including morphine, codeine, and heroin metabolites
- Pathologist Toxicology Remark - interpreted against standard cut-off concentrations with confirmation protocol for reactive screens
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
What does this urine test detect?
It screens for common opiates and opioids such as morphine, codeine, heroin (via 6-MAM metabolite), and synthetic opioids depending on the assay panel used. Positive results are typically confirmed by GC-MS or LC-MS/MS.
Is fasting required for this test?
No, fasting is not required. Urine sample can be collected at any time of day.
How long after opioid use can this test detect drugs?
Detection window varies by substance — typically 1–3 days for short-acting opioids like heroin and morphine, and up to 2–4 days for longer-acting opioids like methadone. Chronic use may extend detection slightly.
Can medications cause a false positive?
Yes, certain medications such as quinolone antibiotics, rifampicin, poppy seed consumption, and some cough syrups containing codeine may cause false-positive results, which is why confirmatory testing is recommended for reactive screens.
What is the turnaround time?
Screening results are typically available within 24 hours. Confirmatory testing, if required, may take an additional 24–48 hours.
How is the sample collected?
A clean-catch midstream urine sample of at least 5 mL is collected in a provided sterile container. The sample is checked for validity (creatinine, pH, specific gravity) to rule out dilution or adulteration.
Test Description
Test Code
O01
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