Posted Date
Effective Date
Update Type
Test Discontinued
CPT Code
80299
Order Code
FLX
TEST OBSOLETE
Fluoxetine, Serum
Order Code: FLX
Fee Code: AA297 (CPT 80299)
LOINC: 10339-0
Reference Lab: Mayo FLOUX
Effective June 4, 2026, Mayo Clinic Laboratories test, Fluoxetine, Serum will become obsolete. The recommended alternative test is Fluoxetine and Metabolite, Serum/Plasma, test ID: ZW86.
Collection Instructions: Collect 3mL (min 1.5 mL) in a red top tube (serum) or lavender top (EDTA) tube (plasma). Promptly centrifuge and separate serum or plasma into a plastic screw capped vial.