Posted Date
Effective Date
Test Name
Methsuximide, Serum
Update Type
Test Down or Delayed
CPT Code
80339
Order Code
MSX
TEST DELAY
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.