Important Note

Cerner Order Name: Send Out: Other

Quest Test Code: 94744

ONLY  order this test as a follow up to Mayo Test ID: MGMR  or MGLE

Mayo Clinic has found there is limited clinical utility for LRP4 testing. Clinical review of LRP4-IgG commercial cell-based testing suggests lack of diagnostic utility in seronegative EDX-confirmed MG. The clinical utility of LRP4-IgG testing is not substantiated in service line testing. In contrast, repeat testing for AChR-Bi antibodies is shown clinically useful