Convert ICD-10 I00 to ICD-9

ICD-10 code I00, Rheumatic fever without heart involvement, crosswalked to ICD-9 with the official CMS General Equivalence Mappings. Convert another code below.

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Official CMS General Equivalence Mappings Final GEMs release (FY 2018) Maps in both directions

1 ICD-9 mapping for ICD-10 I00

From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code. Convert another code

ICD-10 code I00, "Rheumatic fever without heart involvement", maps to ICD-9 code 390, "Rheum fev w/o hrt involv". This mapping carries no qualifying flags, so it is considered an exact equivalent. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

I00

Rheumatic fever without heart involvement

ICD‑9 Code

390

Rheum fev w/o hrt involv

– This is a direct match with no additional mapping qualifiers.

See everything about the source code, including its category, synonyms, and history: open the I00 code page → Or run the reverse crosswalk: convert 390 back to ICD-10 →