Test Directory

Test Code
PPBAR
Test Name
Barbiturates, Quantitative, Pain Management, Urine
CPT Codes
AMA 80345, CMS G0480
Expected Turnaround Time
1 - 5 days
Clinical Utility

Useful in determining the use or abuse of Barbiturates in urine compliance monitoring for pain management.

 

Testing includes identification and quantitation of:

  • Secobarbital
  • Butalbital
  • Phenobarbital
Specimen and Container Info

Preferred Specimen Type: Urine

Preferred Collection Container: Plastic Urine Container (Preservative Free)

Desired Specimen Volume: 10 mL

Processing and Submission Instructions
  • If using paper requisition, submit specimen with a completed Pain Management Drug Testing Request (HNL-56).
  • Interpretation is dependent on completing the prescribed medication history section at the bottom of the form.
  • List only the medications taken within the last 2-3 days.
Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

 7 Days

Refrigerated

 7 Days

Causes for Rejection

Urine specimens received in tubes containing preservatives will be rejected.

Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

Interpretation and concentration of drug/metabolite in urine is dependent on dose, time of dose, metabolic rate, and hydration state.

Limitations

Analyte

Cutoff Concentration (ng/mL)

Secobarbital

200

Butalbital

200

Phenobarbital

200

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Butalbital
  • Fioricet
  • Luminal
  • Phenobarb
  • Phenobarbital
  • Phenobarbitone
  • Secobarbital
  • Seconal
  • Solfoton
Testing Schedule
Routine, 5 times per week