All ICD10 Codes

I00-I02

Non-Billable
ChapterI00–I99
Rankblock
Official Description

Acute rheumatic fever (I00-I02)

Use a more specific code (1 billable, 2 non-billable)
I00Rheumatic fever without heart involvementI01Rheumatic fever with heart involvementhas subcodesI02Rheumatic choreahas subcodes
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.-)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I00-I02Acute rheumatic fever (I00-I02)Not billable
I00Rheumatic fever without heart involvementBillable
I01Rheumatic fever with heart involvementSubcodes
I02Rheumatic choreaSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I00-I02:

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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