422.91
Idiopathic myocarditis
The ICD-9 code for idiopathic myocarditis is 422.91.
Legacy code — retired October 1, 2015ICD-10-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents.
View ICD-9 → ICD-10 crosswalk for 422.91 →