Days Set Up
Monday - Saturday
Analytic Time

2 - 4 days

MiChart Code
Meconium Drug Screen
Soft Order Code

Test Updated:


Drugs of Abuse Screen, Meconium
Amphetamines, meconium
Cannabinoids, meconium
Cocaine, meconium
Meconium Drug Screen
Opiates, meconium
Amphetamines, meconium
Cocaine, meconium
Opiates, meconium
Cannabinoids, meconium
Phencyclidine (PCP), meconium
Drugs of Abuse Screen Meconium
Phencyclidine (PCP), meconium

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MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology


Test Usage

Detection of drugs of abuse in newborns exposed during pregnancy.

Reference Range

Negative. Threshold cut off levels: Amphetamine 100 ng/g; Methamphetamine 100 ng/g; Benzoylecgonine (cocaine metabolite) 100 ng/g; Opiates 100 ng/g; Cannabinoids 20 ng/g; Phencyclidine (PCP) 20 ng/g.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Place diaper liner (plastic wrap) into diaper. Transfer entire meconium specimen to plastic screw-capped container. Insert new diaper liner and continue collecting into the same container until 2 - 5 grams of meconium are collected or until the first milk stool appears. Refrigerate specimen between collections. Send specimen frozen (preferred) or refrigerated.

Normal Volume
5 grams
Minimum Volume
1 gram

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.