FB51.4
Retroperitoneal fibrosis
Retroperitoneal fibrosis
Child Codes (3)
Frequently Asked Questions
What is the ICD-11 code for retroperitoneal fibrosis?
The ICD-11 code for retroperitoneal fibrosis is FB51.4. The full clinical description is "Retroperitoneal fibrosis".
What does ICD-11 code FB51.4 mean?
ICD-11 code FB51.4 represents “Retroperitoneal fibrosis”. It is classified under Chapter 15: Diseases of the Musculoskeletal System or Connective Tissue.
What chapter is FB51.4 in?
FB51.4 is in Chapter 15: Diseases of the Musculoskeletal System or Connective Tissue (codes FA00-FC0Z).
What is the ICD-10 equivalent of ICD-11 code FB51.4?
There is no direct ICD-10 mapping available for FB51.4 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 FB51.4?
FB51.4 has 3 child codes, including: FB51.40 (Primary retroperitoneal fibrosis), FB51.4Y (Other specified retroperitoneal fibrosis), FB51.4Z (Retroperitoneal fibrosis, unspecified).
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