Convert ICD-10 F89 to ICD-9

ICD-10 code F89, Unspecified disorder of psychological development, 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 F89

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

ICD-10 code F89, "Unspecified disorder of psychological development", maps to ICD-9 code 315.9, "Development delay NOS". 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

F89

Unspecified disorder of psychological development

ICD‑9 Code

315.9

Development delay NOS

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 F89 code page → Or run the reverse crosswalk: convert 315.9 back to ICD-10 →