Posted Date
Effective Date
Test Name
Amphiphysin Antibody IgG
Update Type
Test Code Change
CPT Code
84182
Order Code
AAMPH (old), AAMPG (new)
NEW SENDOUT TEST CODE
Amphiphysin Antibody, IgG
Old Order Code: AAMPH
Fee Code: AA326 (CPT 84182)
LOINC: 94385-2
Reference Lab: ARUP (2008893)
New Order Code: AAMPG
Fee Code: AA326 (CPT 84182)
LOINC: 94385-2
Reference Lab: ARUP (2008893)
Effective, May 20, 2026, Michigan Medicine Laboratories Sendout Lab will replace test code AAMPH to a new sendout code, AAMPG, for test Amphiphysin Antibody IgG. Fee codes and specimen collection will remain the same.