Posted Date
Effective Date
Update Type Test Down or Delayed
CPT Code 80339
Order Code MSX


Methsuximide, Serum

Order Code:                  MSX

Fee Code:                     20413

Reference Laboratory: Mayo FMETX (MedTox)


Results for Methsuxumide (Celontin) and Desmethylmethsuximide performed by Medtox Laboratories, Inc. is delayed effective October 21, 2022, due to QC issues. Specimens are being held and stabilized, and will be tested when testing is resumed. Specimens are stable frozen at -70 degrees C for 180 days.