Test Code 6MAMX 6-Monoacetylmorphine, Chain of Custody, Random, Urine
Useful For
Determination of heroin use in urine specimens handled through the chain-of-custody process
Additional Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
COCH | Chain of Custody Processing | No | Yes |
ADLTX | Adulterants Survey, CoC, U | Yes | Yes |
Testing Algorithm
Testing for adulterants will be performed on all chain of custody urine samples per regulatory requirements.
Reporting Name
6-MAM Confirmation, CoC, USpecimen Type
UrineAdvisory Information
This test is for situations that require the chain-of-custody process. For testing not requiring chain of custody, order 6MAMU / 6-Monoacetylmorphine Confirmation, Random, Urine.
Specimen Required
Supplies: Chain of Custody Kit (T282)
Container/Tube: Chain-of-Custody Kit containing the specimen containers, seals, and documentation required.
Specimen Volume: 10 mL
Collection Instructions: Collect specimen in the container provided, seal, and submit with the associated documentation to satisfy the legal requirements for chain-of-custody testing.
Specimen Minimum Volume
2.1 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Urine | Refrigerated (preferred) | 14 days | |
Frozen | 14 days | ||
Ambient | 72 hours |
Reject Due To
Gross hemolysis | OK |
Gross icterus | OK |
Reference Values
Negative
Cutoff concentrations:
6-MAM
<5 ng/mL
Day(s) and Time(s) Performed
Tuesday, Thursday; Varies
Performing Laboratory

Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80356
G0480 (if appropriate)
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
6MAMX | 6-MAM Confirmation, CoC, U | 19593-3 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
36118 | 6-Monoacetylmorphine by GC/MS | 19593-3 |
36119 | 6-MAM Interpretation | 69050-3 |
36120 | Chain of Custody | 77202-0 |
Method Name
Gas Chromatography-Mass Spectrometry (GC-MS)
Forms
1. Chain-of-Custody Request is included in the Chain-of-Custody Kit (T282).
2. If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.