CA01
Acute sinusitis
Acute sinusitis
Classification
ICD-11
Block
CA00-CA0ZParent Code
BlockL1-CA0ICD-10 Mapping
4 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(4)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(6)
Frequently Asked Questions
What is the ICD-11 code for acute sinusitis?
The ICD-11 code for acute sinusitis is CA01. The full clinical description is "Acute sinusitis".
What does ICD-11 code CA01 mean?
ICD-11 code CA01 represents “Acute sinusitis”. It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CA01 in?
CA01 is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CA01?
CA01 maps to 4 ICD-10 codes: J01 (Acute sinusitis), J01.4 (Acute pansinusitis), J01.8 (Other acute sinusitis), and 1 more. 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 UMLS concepts map to ICD-11 code CA01?
CA01 is linked to 6 UMLS Concept Unique Identifiers: C0149512, C0264228, C0264229, C4290183, C0264227, and 1 more. 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.