422.90
Acute myocarditis, unspecified
The ICD-9 code for acute myocarditis, unspecified is 422.90.
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 422.90 →