FB51.4Z

ICD-11 MMS 2026-01

Retroperitoneal fibrosis, unspecified

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • DA0E.8 – Temporomandibular joint disorders

Sibling codes

  • FB51.40 – Primary retroperitoneal fibrosis
  • FB51.4Y – Other specified retroperitoneal fibrosis

Foundation entity

Retroperitoneal fibrosis – http://id.who.int/icd/entity/967295607

Part of: FB51.4: Retroperitoneal fibrosis › FB51: Fibroblastic disorders › 15: Diseases of the musculoskeletal system or connective tissue