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Doctor's Assessment Included

Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.

Drug Screening

6-MAM (Heroin Marker)

A 6-MAM urine test is a qualitative screening that detects the presence of 6-monoacetylmorphine (6-MAM) in urine. 6-MAM is a unique metabolite of heroin (diacetylmorphine) and its presence confirms heroin exposure specifically, rather than general opiate use.

What It Measures

This test detects the presence of 6-monoacetylmorphine (6-MAM), the primary metabolite that is exclusive to heroin. While heroin is rapidly metabolised into morphine, 6-MAM serves as a definitive marker that distinguishes heroin use from other opiate exposure.

The test provides a qualitative result indicating whether 6-MAM is present above the assay cut-off level. Due to the very short detection window of 6-MAM, timely sample collection is critical.

Why It Matters

6-MAM testing provides definitive confirmation of heroin exposure. Standard opiate tests detect morphine, which can originate from heroin, codeine, or poppy seed consumption, making it impossible to confirm the specific source.

The presence of 6-MAM eliminates ambiguity and is considered the gold standard for confirming heroin use in clinical, forensic, and workplace settings.

When to Test

Testing is relevant when confirmation of heroin exposure is needed, particularly when a standard opiate screen is positive for morphine. Due to the very short detection window of 6-MAM (approximately 2 to 8 hours in urine), testing should be performed as soon as possible after suspected exposure.

Consult a healthcare professional for guidance on appropriate timing and interpretation of results.

Frequently Asked Questions

How long can 6-MAM be detected in urine?
6-MAM has a very short detection window of approximately 2 to 8 hours in urine after heroin use. After this period, heroin is fully metabolised to morphine, which is detectable for longer but cannot confirm heroin specifically.
Why is 6-MAM testing more specific than a standard opiate test?
Standard opiate tests detect morphine, which can come from heroin, codeine, or even poppy seeds. 6-MAM is produced exclusively from heroin metabolism, making it the definitive marker for confirming heroin exposure.
What should I expect from a 6-MAM urine test?
The test involves providing a urine sample, which is analysed specifically for 6-MAM. Due to the short detection window, timely collection is essential. Results are qualitative and a confirmatory analysis may be performed using mass spectrometry.

Test Products

This marker is included in the following test panels.