Home
HelpTest Code DASM5 Drugs of Abuse Screen, Meconium 5
Reporting Name
Drugs of Abuse Screen, Meconium 5Useful For
Identifying amphetamines (and methamphetamines), opiates, phencyclidine (PCP), as well as metabolites of cocaine and marijuana in meconium specimens
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 |
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.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
MeconiumAdvisory Information
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 (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)
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Meconium | Frozen (preferred) | 14 days | |
| Refrigerated | 24 hours |
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
Phencyclidine by ELISA: 20 ng/g
Day(s) and Time(s) Performed
Monday through Saturday; Varies
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.CPT Code Information
80307
See individual reflex tests for appropriate CPT codes
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| DASM5 | Drugs of Abuse Screen, Meconium 5 | In Process |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 32197 | Amphetamine | 26895-3 |
| 32199 | Methamphetamine | 27289-8 |
| 32201 | Cocaine | 26956-3 |
| 32203 | Opiate | 29158-3 |
| 32205 | Phencyclidine | 26859-9 |
| 32207 | Tetrahydrocannabinol | 26893-8 |
| 32208 | Chain of Custody | 77202-0 |
Reject Due To
| Other | Grossly bloody reject, Pink OK Stool Diapers |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.