1C21
Chlamydial peritonitis
Chlamydial peritonitis
Classification
ICD-11
Block
1C20-1C2ZParent Code
BlockL2-1C2ICD-10 Mapping
1 equivalentWHO Foundation
View on WHOICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Frequently Asked Questions
What is the ICD-11 code for chlamydial peritonitis?
The ICD-11 code for chlamydial peritonitis is 1C21. The full clinical description is "Chlamydial peritonitis".
What does ICD-11 code 1C21 mean?
ICD-11 code 1C21 represents “Chlamydial peritonitis”. It is classified under Chapter 1: Certain Infectious or Parasitic Diseases.
What chapter is 1C21 in?
1C21 is in Chapter 1: Certain Infectious or Parasitic Diseases (codes 1A00-1H0Z).
What is the ICD-10 equivalent of ICD-11 code 1C21?
1C21 maps to the ICD-10 code: K670. 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.
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