ICD-10-CM 2027
ICD-10 code for adherent pericardium rheumatic
From the official ICD-10-CM alphabetic index entry “Rheumatic (acute) (subacute) › adherent pericardium”. Page updated September 29, 2026.
About coding adherent pericardium rheumatic
The ICD-10-CM code for adherent pericardium rheumatic 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 adherent pericardium rheumatic ICD-10 codes
What is the ICD-10 code for adherent pericardium rheumatic?
- 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.