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HelpTest 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
Mayo Clinic Laboratories in Rochester
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.