Barbituate Urine Reflex to Quantitation 
Mnemonic U BARB RFLX
CPT 80301, 80345 (if indicated)
Test Code  8005002
Test Includes U BARB (screen). If positive, confirmatory test includes Amobarbital, Secobarbital, Butalbital, Pentobarbital, and Phenobarbital.
Specimen Urine (random)
Volume 20 mL
Container Plastic urine cup/tube
Special Instructions  
Specimen Prep  
Storage Refrigerated
Transport Temp Refrigerated
Stability Rm Temp  
Stability Refrig 5 days
Stability Frozen 1 month
Methodology KIMS, GC/MS
Rejection Criteria   
Reference Value No reference ranges established. The urine concentration only reflects the use of prescribed medication or illicit drugs. 
Performed/TAT Monday - Sunday