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Test Code DASM5 Drugs of Abuse Screen, Meconium 5

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
AMPHM Amphetamines, Confirmation, M Yes No
COKEM Cocaine and Metabolites, Confirm, M Yes No
OPATM Opiate Confirmation, M Yes No
PCPMC PCP Confirmation, Meconium Yes No
THCM Carboxy-THC Confirmation, M Yes No

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Meconium


Ordering Guidance


For chain-of-custody testing, order DSM5X / Drugs of Abuse Screen 5, 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: Collect entire random meconium specimen.


Specimen Minimum Volume

0.45 g (approximately 0.5 teaspoon)

Specimen Stability Information

Specimen Type Temperature Time Special Container
Meconium Frozen (preferred) 21 days
  Refrigerated  21 days
  Ambient  72 hours

Reference Values

Negative

 

Positive results are reported with a quantitative liquid chromatography tandem mass spectrometry result.

 

Cutoff concentrations by competitive chemiluminescent immunoassay:

Amphetamines : 100 ng/g

Methamphetamine: 100 ng/g

Benzoylecgonine (cocaine metabolite): 100 ng/g

Opiates: 100 ng/g

Tetrahydrocannabinol carboxylic acid (marijuana metabolite): 20 ng/g

Phencyclidine: 20 ng/g

Day(s) Performed

Monday through Saturday

CPT Code Information

80307

80324 (if appropriate)

80359 (if appropriate)

80353 (if appropriate)

80361 (if appropriate)

80365 (if appropriate)

80349 (if appropriate)

83992 (if appropriate)

Report Available

1 to 2 days

Specimen Retention Time

2 weeks

Reject Due To

Grossly bloody Reject; Pink OK
Stool
Diapers		 Reject