Cannabinoid (THC) Confirmation, Meconium

CPT: 80349
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Test Details

Test Includes

Carboxy-tetrahydrocannabinol (carboxy-THC)


Detect fetal exposure to cannabinoids


Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Specimen Requirements




2 Grams

Minimum Volume

0.5 Grams


Meconium Collection Kit (PeopleSoft N° 96663) or clean, leakproof polypropylene container.


Specimens from different voidings may be pooled if necessary. For step-by-step instructions for collecting and preparing meconium specimens, see Meconium Testing Collection Instructions.

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
808867 Meconium THC (Marijuana) Conf. 809268 Carboxy-THC ng/gm 69007-3

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