Convert ICD-9 511.1 to ICD-10

ICD-9 code 511.1, Bact pleur/effus not TB, 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-9 511.1

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

ICD-9 code 511.1, "Bact pleur/effus not TB", maps to ICD-10 code J90, "Pleural effusion, 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

511.1

Bact pleur/effus not TB

ICD‑10 Code

J90

Pleural effusion, 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

511.1

Bact pleur/effus not TB

ICD‑10 Code

J94.2

Hemothorax

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 511.1 code page → Or run the reverse crosswalk: convert J90 back to ICD-9 →