Convert ICD-10 F22 to ICD-9

ICD-10 code F22, Delusional disorders, 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

3 candidate ICD-9 mappings for ICD-10 F22

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

ICD-10 code F22, "Delusional disorders", maps to ICD-9 code 297.0, "Paranoid state, simple". 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 3 candidate mappings for this code. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

F22

Delusional disorders

ICD‑9 Code

297.0

Paranoid state, simple

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‑10 Code

F22

Delusional disorders

ICD‑9 Code

297.1

Delusional disorder

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‑10 Code

F22

Delusional disorders

ICD‑9 Code

297.2

Paraphrenia

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 F22 code page → Or run the reverse crosswalk: convert 297.0 back to ICD-10 →