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Barbiturate, Urine (Screen)

Yellow Top Urine Tube

Specimen Type

Test ID LAB364
CPT Code(s) 80307
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine: 30
STAT: 888
Specimen Routine: 10 mL random urine in Yellow Top Urine Tube or sterile urine container (No Preservative/Additive); See important comments
Minimum: 4 mL random urine in Yellow Top Urine Tube (No Preservative/Additive)

Room temp/Refrig ≤5 days

Frozen ≤4 months

Availability 24 hrs/day
Turnaround Time Routine: 2 hours; STAT: 1 hr.
Reference Range: Not Applicable

Barbituates may be detected in the urine 1-21 days after ingestion. The urine barbiturate screening test detects the presence of the barbiturate secobarbital at a concentration of 200 ng/mL or greater. Other barbiturates are detected: call laboratory for information regarding a specific barbiturate.

Testing is intended for medical purposes only.

This method is unable to distinguish between specific barbituates and should be used for screening purposes only. Confirmation testing should be considered for positive screens. Barbiturate Confirmation Urine

Reviewed by Karen Hrischuk on December 13, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514