4A45

The ICD-11 code for antiphospholipid syndrome is 4A45. The full clinical description is "Antiphospholipid syndrome".

ICD-11 code 4A45 represents “Antiphospholipid syndrome”. It is classified under Chapter 4: Diseases of the Immune System.

4A45 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).

There is no direct ICD-10 mapping available for 4A45 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.

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.

4A45 has 5 child codes, including: 4A45.0 (Primary antiphospholipid syndrome), 4A45.1 (Secondary antiphospholipid syndrome), 4A45.2 (Antiphospholipid syndrome in pregnancy), 4A45.3 (Lupus anticoagulant-hypoprothrombinaemia syndrome), and 1 more.