BARBITURATES SCREEN w/ CONFIRMATION

Message

Positive screen will automatically reflex to confirmation testing.

Test Code

BASWC

CPT Codes
80307

Includes

Amobrbital/Pentobarbital
Butalbital
Phenobarbital
Secobarbital

Preferred Specimen

Urine

Minimum Volume

10 mL (1 full yellow tube)

Other Acceptable Specimens

None

Instructions

Refrigerate or freeze

Transport Container

1 Yellow round bottom tube is preferred.
Sterile Container or Alverno Toxi Collection kit (Occupational Medicine accounts) will be accepted.

Transport Temperature

Refrigerate or freeze

Specimen Stability

2-8°C up to 5 days
Frozen samples will be accepted up to 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

QNS (quantity not sufficient). Samples exposed to repeated freeze/thaw cycles will be rejected.

Methodology
EIA
LC/MS/MS

Setup Schedule

M, Tu, W, Th, F, Sa, Su

Report Available

Screening results available same day tested.

Confirmation results available within 24-48 hours.

Reference Range

Component	Mass Spec Reporting Limit
Amobarbital/Pentobarbital	100 ng/mL
Butabital	100 ng/mL
Phenobarbital	100 ng/mL
Secobarbital	100 ng/mL

Clinical Significance

Positive Chain of Custody screens are kept frozen for 1 year. Positive Non-Chain of Custody screens are kept frozen for 30 days.

Performed By
Alverno Laboratories

Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)

Last Updated: December 12, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.