CA20.1

Chronic bronchitis

Chronic bronchitis

Classification

ICD-11

Parent Code

CA20

Child Codes

6

WHO Foundation

View on WHO

Child Codes (6)

Frequently Asked Questions

What is the ICD-11 code for chronic bronchitis?

The ICD-11 code for chronic bronchitis is CA20.1. The full clinical description is "Chronic bronchitis".

What does ICD-11 code CA20.1 mean?

ICD-11 code CA20.1 represents "Chronic bronchitis". It is classified under Chapter 12: Diseases of the Respiratory System.

What chapter is CA20.1 in?

CA20.1 is in Chapter 12: Diseases of the Respiratory System (codes CA00-CB7Z).

What is the ICD-10 equivalent of ICD-11 code CA20.1?

There is no direct ICD-10 mapping available for CA20.1 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 CA20.1?

CA20.1 has 6 child codes, including: CA20.10 (Simple chronic bronchitis), CA20.11 (Mucopurulent chronic bronchitis), CA20.12 (Mixed simple and mucopurulent chronic bronchitis), CA20.13 (Protracted bacterial bronchitis), and 2 more.

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