ICD-10-CM · Chapter 9

I09..1 Rheumatic diseases of endocardium, valve unspecified

Billable

← I09 — Other rheumatic heart diseases Chapter 9: I00-I99

Includes

Rheumatic endocarditis (chronic)
Rheumatic valvulitis (chronic)

Excludes 1 (cannot be coded together)

endocarditis, valve unspecified (I38)

Last reviewed: September 2026