Convert ICD-10 A91 to ICD-9

ICD-10 code A91, Dengue hemorrhagic fever, 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 A91

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

ICD-10 code A91, "Dengue hemorrhagic fever", maps to ICD-9 code 065.4, "Mosquito-borne hem fever". The mapping is flagged approximate: it is the closest available equivalent, not an exact match, so review the clinical documentation when selecting the final code. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

A91

Dengue hemorrhagic fever

ICD‑9 Code

065.4

Mosquito-borne hem fever

Approximate Flag – This ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option and may not fully capture the original diagnosis.

See everything about the source code, including its category, synonyms, and history: open the A91 code page → Or run the reverse crosswalk: convert 065.4 back to ICD-10 →