ICD-10-CM 2027
ICD-10 code for chronic rheumatic myopericarditis
From the official ICD-10-CM alphabetic index entry “Myopericarditis › chronic rheumatic”. Page updated September 29, 2026.
About coding chronic rheumatic myopericarditis
The ICD-10-CM code for chronic rheumatic myopericarditis is I09.2 (Chronic rheumatic pericarditis).
Within I09 (other rheumatic heart diseases), I09.2 is specifically for chronic rheumatic pericarditis. Related codes cover rheumatic myocarditis (I09.0), rheumatic diseases of endocardium, valve unspecified (I09.1), other specified rheumatic heart diseases (I09.8) and rheumatic heart disease, unspecified (I09.9).
Don't report I09.2 together with the conditions in its Excludes1 note: chronic pericarditis not specified as rheumatic (I31.-).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for I09.2)
- chronic pericarditis not specified as rheumatic (I31.-)
Common questions about chronic rheumatic myopericarditis ICD-10 codes
What is the ICD-10 code for chronic rheumatic myopericarditis?
- I09.2 — Chronic rheumatic pericarditis.
Is I09.2 billable?
- Yes. I09.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I09.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I09.2 as a principal diagnosis.
Is I09.2 a CC or MCC?
- I09.2 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.