Convert ICD-9 300.9 to ICD-10

ICD-9 code 300.9, Nonpsychotic disord NOS, 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-9 300.9

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

ICD-9 code 300.9, "Nonpsychotic disord NOS", maps to ICD-10 code F48.9, "Nonpsychotic mental disorder, unspecified". 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

300.9

Nonpsychotic disord NOS

ICD‑10 Code

F48.9

Nonpsychotic mental disorder, unspecified

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

300.9

Nonpsychotic disord NOS

ICD‑10 Code

F99

Mental disorder, not otherwise specified

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 300.9 code page → Or run the reverse crosswalk: convert F48.9 back to ICD-9 →