Convert ICD-10 Y66 to ICD-9

ICD-10 code Y66, Nonadministration of surgical and medical care, 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 Y66
From the official CMS General Equivalence Mappings. Review each mapping's flags before selecting the final code. Convert another code

ICD-10 code Y66, "Nonadministration of surgical and medical care", maps to ICD-9 code E876.8, "Medical misadventure NEC". 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

Y66

Nonadministration of surgical and medical care

ICD‑9 Code

E876.8

Medical misadventure NEC

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 Y66 code page → Or run the reverse crosswalk: convert E876.8 back to ICD-10 →