› Lambert-Eaton Myasthenic Syndrome (LEMS), or › Autoimmune Hemolytic Anemia, or › Stiff-Person Syndrome (Moersch-Woltman Syndrome), or • History of use of two preferred medications, or • Continuation of prior therapy or use within the past 365 days. Bivigam or Panzyga, may be covered when the criteria listed below are satisfied: