Barbiturates, Screen and Confirmation, Meconium

CPT: 80307
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Test Details

Test Includes

Amobarbital; butabarbital; butalbital; pentobarbital; phenobarbital; secobarbital

Use

Detect fetal exposure to barbiturate class drugs.

Methodology

Initial presumptive testing by immunoassay at a testing threshold of 100 ng/gm; presumptive positives confirmed by definitive gas chromatography/mass spectrometry (GC/MS).

Specimen Requirements

Specimen

Meconium

Volume

3 Grams

Minimum Volume

0.7 Gram

Container

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

Collection

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.

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
809183 Meconium Barbiturates Screen 809241 Barbiturates 34578-5
809183 Meconium Barbiturates Screen 809188 Meconium Barbiturates Screen N/A
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809083 Amobarbital ng/gm 27324-3
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809084 Pentobarbital ng/gm 27308-6
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809085 Secobarbital ng/gm 27002-5
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809086 Butalbital ng/gm 27962-0
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809191 Butabarbital ng/gm 27061-1
Reflex Table for Barbiturates
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 809254 Meconium Barbiturate Confirm. 809255 Phenobarbital ng/gm 27235-1

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