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Test Code UBARB Barbiturate Drug Screen, Urine

Additional Codes

Epic Code


Performing Laboratory

Bronson Laboratory Services-Chemistry

Reference Values





Qualitative analysis of barbiturates present in urine. Sensitivitiy:  200 ng/mL for amobarbital, butabarbital,butalbital, pentobarbital, phenobarbital, talbutal, secobarbital,and glutethimide




Drug screening performed at Bronson Laboratory Services is for medical purposes only. No chain of custody, or specimen adulteration testing is performed.   All positive results are presumptive.  Presumptive Positive means that this screening method is positive. A more specific alternative method must be used in order to obtain a  confirmed analytical result. Confirmatory testing is available on request through our reference lab.  Clinical consideration and professional judgment should b e applied to any drug of abuse test result, particularly with presumptive positive results.


If employment/legal drug screening is required, contact ProHealth Management Services at 269-341-7547.


Specimen Transport Temperature


Specimen Requirements

Specimen Type: Urine, random

Container/Tube: Plastic urine

Specimen Volume: 5 mL

Specimen Minimum Volume: 0.1 mL

Collection Instructions: No preservative

Specimen Stability Requirements

Refrigerated - 5 days

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding