16Diseases of the genitourinary system Diseases of the urinary system Cystic or dysplastic kidney disease GB80Nonfamilial nongenetic cystic kidney disease
GB80.1
category
Complex renal cyst
Definition 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.
Also indexed as
Complex renal cyst Multiple complex renal cysts Solitary complex renal cyst
Nearby in Nonfamilial nongenetic cystic kidney disease
International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).
Release 2026-01.
View this entity in the official WHO ICD-11 browser .
This page reproduces WHO classification content for reference. It is not
medical advice and must not be used to diagnose or treat. For coding
decisions, consult the official release and your national coding guidelines.
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