Posted Date
Effective Date
Update Type Test Methodology Changed
Order Code FKEMS
Referral Laboratory Mayo Medical Laboratories



Ketamine and Metabolite Screen, Plasma

Order Code:                  FKEMS

Fee Code:                     AA942 (CPT 80307)

Reference Laboratory:   Mayo FKEMS (NMS Labs)


The Ketamine and Metabolite Screen, Plasma assay forwarded to NMS Labs will change from a Gas Chromatography/Mass Spectrometry (GC/MS) to a High Performance Liquid Chromatography/Tandem Mass Spectrometry test methodology effective March 4, 2024. The requested specimen volume will change from 5 mL to 3 mL.