GB80.1

ICD-11 MMS 2026-01

Complex renal cyst

Description

Renal cyst with high attenuation or mixed contents, septate or thickened wall. May be subclassified by the Bosniak classification Bosniak 2-4 to indicate increasing likelihood of neoplasm.

Index terms

  • Complex renal cyst
  • Solitary complex renal cyst
  • Multiple complex renal cysts

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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  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • GB80.0 – Simple renal cyst
  • GB80.2 – Subscapular or perirenal urinoma
  • GB80.Y – Other specified nonfamilial nongenetic cystic kidney disease
  • GB80.Z – Nonfamilial nongenetic cystic kidney disease, unspecified

Foundation entity

Complex renal cyst – http://id.who.int/icd/entity/779747216

Allowed postcoordination axes

Part of: GB80: Nonfamilial nongenetic cystic kidney disease › 16: Diseases of the genitourinary system