4A00.1Z
Defects in the complement system, unspecified
Defects in the complement system, unspecified
ICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(12)
SNOMED CT ↗
- Acquired cutis laxa19726003
- Anaemia due to mechanical damage34247008
- Alternative pathway deficiency234604001
- Anaphylotoxin inactivator deficiency234627009
- Acquired C1 esterase inhibitor deficiency241955009
- Angio-oedema due to disorder of kinin metabolism703795004
- Acquired angio-oedema due to C1 inhibitor autoantibody703802001
- Atypical haemolytic uraemic syndrome789660001
- Angioedema of gingiva due to deficiency of C1 esterase inhibitor1197183009
- Atypical HUS (haemolytic uraemic syndrome) with anti-CFH (complement factor H) Ab1295220004
Frequently Asked Questions
What is the ICD-11 code for defects in the complement system, unspecified?
The ICD-11 code for defects in the complement system, unspecified is 4A00.1Z. The full clinical description is "Defects in the complement system, unspecified".
What does ICD-11 code 4A00.1Z mean?
ICD-11 code 4A00.1Z represents “Defects in the complement system, unspecified”. It is classified under Chapter 4: Diseases of the Immune System.
What chapter is 4A00.1Z in?
4A00.1Z is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).
What is the ICD-10 equivalent of ICD-11 code 4A00.1Z?
4A00.1Z maps to the ICD-10 code: D84.1 (Defects in the complement system). This is an equivalent mapping.
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 SNOMED CT codes does 4A00.1Z map to?
4A00.1Z maps to 10 SNOMED CT concepts: 241955009, 703802001, 19726003, 234604001, 34247008, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 4A00.1Z?
4A00.1Z is linked to 2 UMLS Concept Unique Identifiers: C2873848, C0272242. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.