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HelpTest Code 6MAMM 6-Monoacetylmorphine (6-MAM), Confirmation, Meconium
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
MeconiumOrdering Guidance
For chain-of-custody testing, order MAMMX / 6-Monoacetylmorphine (6-MAM) Confirmation, Chain of Custody, Meconium.
Specimen Required
Supplies: Stool container, Small (Random), 4 oz (T288)
Container/Tube: Stool container
Specimen Volume: 1 g (approximately 1 teaspoon)
Collection Instructions:
1. Collect entire random meconium (newborn's first bowel movements) specimen.
2. Send specimen frozen.
Additional Information: When refrigerated, a significant percentage of 6-monoacetylmorphine (MAM) will convert to morphine in less than 24 hours.
Specimen Minimum Volume
0.3 g (approximately 1/4 teaspoon)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Meconium | Frozen | 14 days |
Reference Values
Negative
Positive results are reported with a quantitative liquid chromatography tandem mass spectrometry result.
Cutoff concentration: 5 ng/g
Day(s) Performed
Monday through Sunday
CPT Code Information
80356
G0480 (if appropriate)
Report Available
2 daysSpecimen Retention Time
2 weeksReject Due To
| Grossly bloody | Reject; Pink OK |
| Stool; diapers | Reject |