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Test Code BARB/LAB5038 Barbiturate Screen

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital

Specimen Requirements

Sterile Collection Cup


Required volume 10 ml urine

Specimen can be collected at any time

Specimen Transport Temperature and Stability

Stable if refrigerate at 2° to 8° C for up to 7 days

Specimen Minimum Volume

1.0 ml

Reasons for Rejection

Lack of Two Patient Identifiers:

         1-Patient's First & Last name 

         2-Patient's Date of Birth

Day(s) Test Set Up

Monday through Sunday

Routine - same day

ASAP - 2 hours after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Additional Information

Barbiturates are sedative hypnotics.  If overdosage occurs, coma and death may result.  The toxic or lethal blood level varies with many factors and cannot be stated with certainty.  In presence of alcohol or other depressant drugs, the lethal concentrations may be lower.  The long-acting drugs are metabolized slowly and depend primarily on the kidney for elimination; the short- and intermediate-acting drugs are metabolized primarily by the liver and are much less dependent on the kidney for excretion.  Except for barbital, all barbiturates are primarily transformed by the liver.  Only barbital is dependent mainly on renal excretion for termination of its pharmacological action.


Homogenous Enzyme Immunoassay

Performing Department


Test Classification and CPT Coding

80101  -  Drug screen, qualitative; single drug class method (eg, immunoassay, enzyme assay), each drug class 

Billing Code