CB27
Pleural effusion
Pleural effusion
Classification
ICD-11
Block
CB20-CB2ZParent Code
BlockL1-CB2ICD-10 Mapping
2 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(2)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
SNOMED CT ↗
- Encysted pleurisy27757009
- Acute fibrinous pleuritis60031001
- Bacterial pleurisy73198007
- Fibrinous pleurisy77138008
- Finding of pleural fluid type167975002
- Exudative pleurisy275500001
- Bilateral pleural effusion425802001
- Effusion of left pleural cavity1366511008
- Effusion of right pleural cavity1366512001
- Exudative pleural effusion13841000119107
Frequently Asked Questions
What is the ICD-11 code for pleural effusion?
The ICD-11 code for pleural effusion is CB27. The full clinical description is "Pleural effusion".
What does ICD-11 code CB27 mean?
ICD-11 code CB27 represents “Pleural effusion”. It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CB27 in?
CB27 is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CB27?
CB27 maps to 2 ICD-10 codes: J90 (Pleural effusion, not elsewhere classified), J91 (Pleural effusion in conditions classified elsewhere). ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does CB27 map to?
CB27 maps to 10 SNOMED CT concepts: 60031001, 73198007, 425802001, 1366511008, 1366512001, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code CB27?
CB27 is linked to 4 UMLS Concept Unique Identifiers: C0032227, C0494685, C2887489, C0348707. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.