4A01.1
Combined immunodeficiencies
Combined immunodeficiencies
Child Codes (5)
Frequently Asked Questions
What is the ICD-11 code for combined immunodeficiencies?
The ICD-11 code for combined immunodeficiencies is 4A01.1. The full clinical description is "Combined immunodeficiencies".
What does ICD-11 code 4A01.1 mean?
ICD-11 code 4A01.1 represents “Combined immunodeficiencies”. It is classified under Chapter 4: Diseases of the Immune System.
What chapter is 4A01.1 in?
4A01.1 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).
What is the ICD-10 equivalent of ICD-11 code 4A01.1?
There is no direct ICD-10 mapping available for 4A01.1 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 4A01.1?
4A01.1 has 5 child codes, including: 4A01.10 (Severe combined immunodeficiencies), 4A01.11 (Major histocompatibility complex class I deficiency), 4A01.12 (Major histocompatibility complex class II deficiency), 4A01.1Y (Other specified combined immunodeficiencies), and 1 more.
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