4A01.04

The ICD-11 code for immunodeficiencies with isotype or light chain deficiencies with normal number of b cells is 4A01.04. The full clinical description is "Immunodeficiencies with isotype or light chain deficiencies with normal number of B cells".

ICD-11 code 4A01.04 represents “Immunodeficiencies with isotype or light chain deficiencies with normal number of B cells”. It is classified under Chapter 4: Diseases of the Immune System.

4A01.04 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).

4A01.04 maps to 3 ICD-10 codes: D80.2 (Selective deficiency of immunoglobulin A [IgA]), D80.3 (Selective deficiency of immunoglobulin G [IgG] subclasses), D80.4 (Selective deficiency of immunoglobulin M [IgM]). 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.

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.

4A01.04 maps to 10 SNOMED CT concepts: 127393007, 234635007, 840472009, 234542004, 103075007, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.

4A01.04 is linked to 3 UMLS Concept Unique Identifiers: C4049006, C0162539, C0154275. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.