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Laboratory Test Directory

Barbiturates, Urine


Name Method Department Units
Barbiturates, Urine Enzyme immunoassay (EIA)
Core Lab, Chemistry, Routine Negative or Positive

Specimen Requirements


Container Type Container Size Specimen Volume

Sterile container

N/A 10 mL

Room temperature - 5 day(s)
Refrigerated - 5 day(s)
Frozen - 4 month(s)

Specimen Preparation

  • Seal collection container tightly after collection
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Contamination
  • Collected in diaper or cotton balls
  • Contaminated with blood
  • Diluted specimen
  • Wrong type of specimen
  • pH not within specified limits


Screen only. Positive/Negative cut-off concentration is 200 ng/mL. Does not include confirmation by GC/MS(performed as sendout test). Specimens which may have legal ramifications must be collected, transported, and handled under strict chain of custody handling procedures. Contact Laboratory Services at 1-800-934-6575 or 614-722-5477 for these instructions.

CPT Code

  • 80307