New Search

Laboratory Test Directory



Name Method Department Units
Benzodiazepines 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 - 8 month(s)

Specimen Preparation

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

Reasons for Rejection

  • Collected in diaper or cotton balls
  • Contamination
  • Diluted specimen
  • pH not within specified limits
  • Wrong type of specimen
  • Bacterial contamination


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