Test Overview
Test Methodology

LC/MS/MS

Reference Range *

5 - 25 ng/mL

Test Details
Days Set Up
Daily
Analytic Time

5 - 7 days

Soft Order Code
MMLR
Laboratory
Sendout
Reference Laboratory
Mayo FBENZ (90092) (MedTox 894)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect trough specimen in a green top or red top tube; do not use SST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.

Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
2 mL plasma or serum
Minimum Volume
0.3 mL plasma or serum
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80375
NY State Approved
No