Barbiturates, Confirmation, Meconium

Test Code
40864


CPT Codes
80345

Includes
Amobarbital, Butabarbital, Butalbital, Pentobarbital, Phenobarbital, Secobarbital


Preferred Specimen
5 grams of random meconium submitted in plastic leak-proof container


Minimum Volume
1 gram


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 30 days


Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Mon-Sat; Report available: Next day


Reference Range
See Laboratory Report


Clinical Significance
Extensively used for hypnotics, sedatives, and anesthetics. Readily absorbed from stomach. Duration of action of Barbiturates in therapeutic doses varies from: 8-16 hours (long acting e.g., phenobarbital); 4-8 hours (intermediate acting e.g., Amobarbital); 3-6 hours (short acting e.g., Pentobarbital). Barbiturates may enhance other CNS depressants, such as Ethanol, Morphine derivatives, tranquilizers, and Resperine.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.