Test ID NBLD0115 Drugs of Abuse Screen, Meconium 4
Reporting Name
Drugs of Abuse Screen, Meconium 4AKA: Drug Screen Meconium
Useful For
Identifying amphetamines (and methamphetamines), opiates, as well as metabolites of cocaine and marijuana in meconium specimens
Specimen Type
MeconiumOrdering Guidance
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
Specimen Volume: 1 g (approximately 1 teaspoon)
Collection Instructions: Collect entire random meconium specimen.
Reject Due To
Grossly bloody | Reject, Pink OK |
Stool Diapers |
Reject |
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 |
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 daysMethod Name
Competitive Chemiluminescent Immunoassay (CIA)
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT Code Information
80307
80324 (if appropriate)
80359 (if appropriate)
80353 (if appropriate)
80361 (if appropriate)
80365 (if appropriate)
80349 (if appropriate)
Reference Values
Negative
Positives 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
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.Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.
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. Positive results are confirmed and quantified by liquid chromatography tandem mass spectrometry at an additional charge.
Secondary ID
60553SANFORD LABORATORY INTERFACE BUILD INFORMATION
Result Code | Result Description |
---|---|
8482 | Amphetamines Meconium |
8490 | Methamphetamine Mec |
8492 | Cocaine Mec |
8485 | Opiates Meconium |
17151 | Tetrahydrocannabinol |