I01.9Billable

Acute rheumatic heart disease, unspecified

Chapter
9. Diseases of the circulatory system
Category
I01
Effective date
October 1, 2026

Related codes in category I01

I01Rheumatic fever with heart involvementI01.0Acute rheumatic pericarditisYesI01.1Acute rheumatic endocarditisYesI01.2Acute rheumatic myocarditisYesI01.8Other acute rheumatic heart diseaseYes

Frequently asked questions

What is ICD-10 code I01.9?

I01.9 is an ICD-10-CM diagnosis code for Acute rheumatic heart disease, unspecified.

Is I01.9 a billable code?

Yes. I01.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is I01.9 in?

I01.9 falls under Chapter 9: Diseases of the circulatory system.

When did I01.9 become effective?

I01.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I01.9?

I01.9 belongs to category I01, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.