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Test Code 6MAMX 6-Monoacetylmorphine, Chain of Custody, Random, Urine

Useful For

Determination of heroin use

 

Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the rights of the individual contributing the specimen by demonstrating that, it is always under the control of personnel involved with testing the specimen; this control implies that the opportunity for specimen tampering would be limited.

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, U

Specimen Type

Urine


Ordering Guidance


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
Urine Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  72 hours

Reject Due To

Gross hemolysis OK
Gross icterus OK

Reference Values

Negative (Positive result is reported with a quantitative result)

 

Cutoff concentration by gas chromatography mass spectrometry:

6-Monoacetylmorphine cutoff concentration: 5 ng/mL

Day(s) Performed

Tuesday, Thursday

Report Available

3 to 7 days

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. It has not been cleared or approved by the US 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

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.