ARUP's Laboratory Test Directory

Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine : 0090357

Mnemonic: CDCO BARB

Methodology: Quantitative Gas Chromatography-Mass Spectrometry
Performed: Tue, Thu, Sat
Reported: 1-4 days
Specimen Required: Collect: Random urine.

Specimen Preparation: Transfer 4 mL urine with no additives or preservatives to an ARUP Standard Transport Tube. (Min: 2 mL)

Storage/Transport Temperature: Room temperature.

Unacceptable Conditions: Specimens exposed to repeated freeze/thaw cycles.

Stability (collection to initiation of testing): Ambient: 1 week; Refrigerated: 1 month; Frozen: 3 years
Interpretive Data: Drugs covered: butalbital, amobarbital, pentobarbital, secobarbital, and phenobarbital.

Positive cutoff: 50 ng/mL

The absence of expected drug(s) and/or drug metabolite(s) may indicate non-compliance, inappropriate timing of specimen collection relative to drug administration, poor drug absorption, diluted/adulterated urine, or limitations of testing. The concentration value must be greater than or equal to the cutoff to be reported as positive. Interpretive questions should be directed to the laboratory.

For medical purposes only; not valid for forensic use.
CPT Code(s): 82205
Cross References: Amobarbital (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Amobarbitone (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Amytal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Axocet (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Butalbital (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Fioricet (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Fiorinal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Luminal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Nembutal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Pain Management (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Pain Management, Barbiturates, Quantitative, w/ medMATCH, Urine (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine) , Pain Management, Barbiturates, w/Confirmation w/medMATCH, Urine (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine) , Pentobarbital (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Phenobarbital (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Phenobarbitone (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Quinalbartbitone (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Sandoptal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Secobarbital (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Seconal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Solfoton (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine), Tuinal (Drugs of Abuse Confirmation/Quantitation - Barbiturates - Urine)