All ICD10 Codes

I01

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Rheumatic fever with heart involvement

Use a more specific code (5 billable)
I01.0Acute rheumatic pericarditisI01.1Acute rheumatic endocarditisI01.2Acute rheumatic myocarditisI01.8Other acute rheumatic heart diseaseI01.9Acute rheumatic heart disease, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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.

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I00-I02Acute rheumatic fever (I00-I02)
I01Rheumatic fever with heart involvementNot billable
I01.0Acute rheumatic pericarditisBillable
I01.1Acute rheumatic endocarditisBillable
I01.2Acute rheumatic myocarditisBillable
I01.8Other acute rheumatic heart diseaseBillable
I01.9Acute rheumatic heart disease, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I01:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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