Test Directory

Barbiturates Qualitative

Loinc

Expected Turnaround

24 hours

Information

Collection Information

Urine: Collect urine samples in clean glass or plastic containers. Fresh urine specimens do not require any special handling or pretreatment, but an effort should be made to keep pipetted samples free of gross debris. Samples should be within the normal physiological pH range of 5‑8. No additives or preservatives are required. It is recommended that urine specimens be stored at 2‑8 °C and tested within 5 days of collection.

Methodology

Kinetic interaction of microparticles in a solution (KIMS)

Limitations

Adulteration or dilution of the sample can cause erroneous results. If adulteration is suspected, another sample should be collected. Specimen validity testing is required for specimens collected under the Mandatory Guidelines for Federal Workplace Drug Testing Programs.

Rejection Criteria

Preserved specimens, adultered or diluted specimens

Specimen Stability

Refrigerated: 5 days

Alias

Barbiturates Qualitative

Container Type

Urine cup or Urine transfer tube, NO preservatives

Minimum Volume

30 ML, 7 ML minimum

Age Range

0 - 999

Sex

Generic

Units of Measure

Reference Range

Panic Range