Barbiturates, GC/MS, Urine

Last Modified: 2/13/2019 12:45:39 PM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements: 20.0 mL Urine Non Sterile Yellow Capped Plastic Containers (No preservatives)
Collection Instructions:  
Minimum Volume: 5.0 mL Urine
Transport & Storage: Temperature/Stability: 7 days Ambient
7 days Refrigerated
1 year Frozen
Reference Range: Refer to Interpretive Results
Critical Ranges:  
Test Comments:  
Methodology: Gas Chromatography/Mass Spectrometry (GC/MS)
Clinical Significance: Barbiturates are used as hypnotics, sedatives and anesthetics and are 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 reserpine. Urine should only be used if blood cannot be obtained.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 3 to 4 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Quest - Chantilly
PHL Test Code: BARCC
EPIC Test Code: LAB2839
Send Out Test Code: 4087 [8416Z]
Included Tests: Amobarbital; Butabarbital; Butalbital; Pentobarbital; Phenobarbital; Secobarbital
CPT Coding: 80345 (Medicare G6043)

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