Name: Barbiturates, Urine Screen
Test Name: Barbiturates, Urine Screen
Health Link Test Code: HCUPNL
LIS Test Code: UPNL
CPT Code(s): See Drug Screen, Urine (Stat)
Included In: Drug Screen, Urine (Stat)
Methodology: Enzyme Immunoassay
Days Performed: Daily, 24 hours.
Stat In-Lab Turnaround Time: 1 hour.
Specimen: Random urine
Collection Container: Sterile screw cap container
If confirmation is requested on a specimen with a "screen positive" result, 10 mL of urine is needed for the confirmatory analysis.
Collection Volume: 25 mL
Pediatric Collection Volume: 2 mL
Up to 24 hours
Sample Analyzed: Urine aliquot
Testing Volume: 10 mL
Pediatric Testing Volume: 0.5 mL
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
Qualitative screening test. Results reported as "not detected" or "screen positive".
Interpretation Type: Expected Results
This is a screening test. Results are to be used for medical purposes only.
A cut-off value of 200 ng/mL is used to determine whether barbiturates are "screen positive". If screening test is reported as "screen positive", confirmation and identification can be made (at additional charge) by a reference lab. Please submit an add-on order within 7 days of collection if confirmatory testing is needed.