CA21
Emphysema
Emphysema
Child Codes (5)
Frequently Asked Questions
What is the ICD-11 code for emphysema?
The ICD-11 code for emphysema is CA21. The full clinical description is "Emphysema".
What does ICD-11 code CA21 mean?
ICD-11 code CA21 represents "Emphysema". It is classified under Chapter 12: Diseases of the Respiratory System.
What chapter is CA21 in?
CA21 is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).
What is the ICD-10 equivalent of ICD-11 code CA21?
There is no direct ICD-10 mapping available for CA21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.
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 are the subcategories under CA21?
CA21 has 5 child codes, including: CA21.0 (MacLeod syndrome), CA21.1 (Panlobular emphysema), CA21.2 (Centrilobular emphysema), CA21.Y (Other specified emphysema), and 1 more.
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