Sign in →

Test ID NBLD0115 Drugs of Abuse Screen, Meconium 4

Useful For

Identifying amphetamines (and methamphetamines), opiates, as well as metabolites of cocaine and marijuana in meconium specimens

Specimen Type

Meconium


Advisory Information


For chain-of-custody testing, order DSM4X / Drugs of Abuse Screen 4, Chain of Custody, Meconium.



Specimen Required


Supplies: Stool container, Small (Random), 4 oz (T288)

Container/Tube: Stool container (T288)

Specimen Volume: 1 g (approximately 1 teaspoon)

Collection Instructions: Collect entire random meconium specimen.


Specimen Minimum Volume

0.45 g (approximately 0.5 teaspoon)

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Grossly bloody reject, Pink OK; stool, diapers

Specimen Stability Information

Specimen Type Temperature Time
Meconium Frozen (preferred) 14 days
  Refrigerated  24 hours

Day(s) and Time(s) Performed

Monday through Sunday

Analytic Time

2 days

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80307

See individual reflex tests for appropriate CPT codes

Reporting Name

Drugs of Abuse Screen, Meconium 4

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
THCM Carboxy-THC Confirmation, M Yes No

Testing Algorithm

Testing begins with immunoassay screen. Positives are confirmed and quantitated by liquid-chromatography/tandem-mass spectrometry (LC-MS/MS) at an additional charge.

Reference Values

Negative

Positives are reported with a quantitative LC-MS/MS result.

Cutoff concentrations

Amphetamines by ELISA: 100 ng/g

Methamphetamine by ELISA: 100 ng/g

Benzoylecgonine (cocaine metabolite) by ELISA: 100 ng/g

Opiates by ELISA: 100 ng/g

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

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.
Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
8482 Amphetamines Meconium
8490 Methamphetamine Mec
8492 Cocaine Mec
8485 Opiates Meconium
17151 Tetrahydrocannabinol
17152 Chain of Custody