CA4Z
Lung infections, unspecified
Lung infections, unspecified
ICD-10 Equivalents(3)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Frequently Asked Questions
What is the ICD-11 code for lung infections, unspecified?
The ICD-11 code for lung infections, unspecified is CA4Z. The full clinical description is "Lung infections, unspecified".
What does ICD-11 code CA4Z mean?
ICD-11 code CA4Z represents “Lung infections, unspecified”. It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CA4Z in?
CA4Z is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CA4Z?
CA4Z maps to 3 ICD-10 codes: J20-J22, J22 (Unspecified acute lower respiratory infection), J85-J86. 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.
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