I01.1 ICD-10-CM Code: Acute rheumatic endocarditis
I01.1 is the billable ICD-10-CM code for “Acute rheumatic endocarditis” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
I01.1Acute rheumatic endocarditis
ICD-10-CM diagnosis code · United States clinical modification
Where I01.1 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Acute rheumatic fever (I00-I02)
- 3
Category I01
Rheumatic fever with heart involvement
- 4
Code I01.1
Acute rheumatic endocarditis
Notes for this code
Inclusion terms
- Any condition in I00 with endocarditis or valvulitis
- Acute rheumatic valvulitis
Code first
No “code first” instruction is listed for I01.1.
Use additional code
No “use additional code” instruction is listed for I01.1.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I01.1.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I01.1.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code I01.1 mean?
I01.1 is the FY 2027 U.S. ICD-10-CM code for “Acute rheumatic endocarditis.”
Is I01.1 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, I01.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is I01.1 located in ICD-10-CM?
I01.1 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Acute rheumatic fever (I00-I02) (I00–I02), under category I01, Rheumatic fever with heart involvement.
What coding notes are listed for I01.1?
Its listed inclusion terms are Any condition in I00 with endocarditis or valvulitis; Acute rheumatic valvulitis. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.