Convert ICD-9 784.0 to ICD-10

ICD-9 code 784.0, Headache, crosswalked to ICD-10 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

2 candidate ICD-10 mappings for ICD-9 784.0

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

ICD-9 code 784.0, "Headache", maps to ICD-10 code G44.1, "Vascular headache, not elsewhere classified". 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 GEMs list 2 candidate mappings for this code, because ICD-10 splits it into more specific diagnoses; the documentation decides which one applies. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑9 Code

784.0

Headache

ICD‑10 Code

G44.1

Vascular headache, not elsewhere classified

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.

ICD‑9 Code

784.0

Headache

ICD‑10 Code

R51

Headache

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 784.0 code page → Or run the reverse crosswalk: convert G44.1 back to ICD-9 →