Posted Date
Effective Date
Update Type Test Down or Delayed
CPT Code 83519
Order Code MGMR
Referral Laboratory Mayo Medical Laboratories



Myasthenia Gravis Evaluation with MuSK Reflex

Order Code:                  MGMR

Fee Code:                     32034 (CPT 83519)

Reference Laboratory: Mayo MGMR


Mayo Clinic Laboratories Myasthenia Gravis Evaluation with Muscle-Specific Kinase (MuSK) Reflex is down effective August 9, 2023, due to reagent unavailability for Acetylcholine Receptor Binding Antibody (Muscle AChR). Requests for this test will be forwarded to ARUP Laboratories Myasthenia Gravis Reflexive Panel (Mayo test ID FMGRP) (CPT 83519, 83516) until further notice.