eMedCodes logo

421.9 - Acute Endocarditis, Unspecified


The ICD 9 Code for Acute endocarditis, unspecified is listed as 421.9.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
ICD 9 CM Field Value
Diagnosis Code: 421.9
Long Description: Acute endocarditis, unspecified
Short Description: Ac/subac endocardit NOS
Chapter: Diseases Of The Circulatory System
Block: Other Forms Of Heart Disease (420-429)
ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD-10-CM Code: I33.9 - Acute and subacute endocarditis, unspecified
ICD-9-CM Siblings (same level / similar specificity) of 421.9:
421.0 - Acute and subacute bacterial endocarditis
421.1 - Acute and subacute infective endocarditis in diseases classified elsewhere