ICD-10-CM · Chapter 9 · I00–I99
I00
Rheumatic fever without heart involvement
Diseases of the circulatory system
Quick facts
- Code
- I00
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I00
- Specificity
- 3 characters
How coders use this code
ICD-10-CM I00 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of rheumatic fever without heart involvement. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
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