Convert ICD-10 J90 to ICD-9

ICD-10 code J90, Pleural effusion, not elsewhere classified, 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

2 candidate ICD-9 mappings for ICD-10 J90

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

ICD-10 code J90, "Pleural effusion, not elsewhere classified", maps to ICD-9 code 511.1, "Bact pleur/effus not TB". 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. The crosswalk comes from the official CMS General Equivalence Mappings.

ICD‑10 Code

J90

Pleural effusion, not elsewhere classified

ICD‑9 Code

511.1

Bact pleur/effus not TB

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

J90

Pleural effusion, not elsewhere classified

ICD‑9 Code

511.89

Effusion NEC exc tb

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 J90 code page → Or run the reverse crosswalk: convert 511.1 back to ICD-10 →