I01.1

Acute rheumatic endocarditis

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 11 never code together

I01code

Excludes1

chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process.I05-I09

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
systemic connective tissue disorders (M30-M36)M30-M36
transient cerebral ischemic attacks and related syndromes (G45.-)G45.-

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2

Inclusion terms

Index entries leading here 3

Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
- tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea) I07.9
  - active or acute I01.1
- aortic (heart) (nonrheumatic) (valve) I35.8
  - rheumatic I06.9
    - with mitral disease I08.0
      - active or acute I01.1
    - active or acute I01.1
  - with
    - mitral disease I08.0
      - active or acute I01.1
- mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) I05.9
  - with
    - aortic (valve) disease I08.0
      - active or acute I01.1
  - active or acute I01.1
- pulmonary (chronic) (heart) (valve) I37.8
  - rheumatic (chronic) (inactive) (with chorea) I09.89
    - active or acute I01.1
  - acute or subacute I33.9
    - rheumatic I01.1
- rheumatic (chronic) (inactive) (with chorea) I09.1
  - active or acute (aortic) (mitral) (pulmonary) (tricuspid) I01.1
- acute or subacute I33.9
  - rheumatic (aortic) (mitral) (pulmonary) (tricuspid) I01.1
Stenosis, stenotic (cicatricial) — see also Stricture
- mitral (chronic) (inactive) (valve) I05.0
  - active or acute I01.1
Insufficiency, insufficient
- mitral (valve) I34.0
  - rheumatic I05.1
    - active or acute I01.1

Alongside this code 4 same parent — I01

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.