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I40.1 - Isolated myocarditis


The ICD 10 Code for Isolated myocarditis is listed as I40.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I40.1
Description: Isolated myocarditis
  • Fiedler's myocarditis
  • Giant cell myocarditis
  • Idiopathic myocarditis
Diagnostic Related Groups
(MS-DRG v30.0)
314 - Other Circulatory System Diagnoses W Mcc
315 - Other Circulatory System Diagnoses W Cc
316 - Other Circulatory System Diagnoses W/o Cc/mcc
974 - Hiv W Major Related Condition W Mcc
975 - Hiv W Major Related Condition W Cc
976 - Hiv W Major Related Condition W/o Cc/mcc
Chapter Diseases of the circulatory system (I00-I99)
Block Other forms of heart disease (I30-I52)
Parent I40 - Acute myocarditis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 422.91 - Idiopathic myocarditis (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I40.1:
I40.0 - Infective myocarditis
I40.8 - Other acute myocarditis
I40.9 - Acute myocarditis, unspecified