GB56.3

ICD-11 MMS 2026-01

Hydronephrosis due to bladder obstruction

Description

A condition caused by an obstruction in the urinary bladder. It is characterised by distention of the pelvis and calices of one or both kidneys, and lack of free flow of urine from the kidney, and can lead to progressive atrophy of the kidney if untreated. The condition may also present with pain in the flank, haematuria, pyuria, or hyperpyrexia.

Index terms

  • Hydronephrosis due to bladder obstruction
  • Hydronephrosis due to bladder obstruction, acquired
  • Hydronephrosis due to bladder obstruction, acquired, due to cause classified elsewhere
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  • Hydronephrosis due to bladder obstruction, congenital

Exclusions from above levels

  • GB55 – Obstructive pyelonephritis
  • http://id.who.int/icd/entity/1746821938 – Calculus of kidney and ureter without hydronephrosis
  • 4A43.2Y – Sjögren syndrome with renal tubulo-interstitial disorders
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  • 4B22 – Renal tubulo-interstitial disorders in simple cryoglobulinaemia
  • 5C60.1 – Renal tubulo-interstitial disorders in cystinosis
  • GB82 – Autosomal dominant tubulointerstitial disease
  • GB90.Y – pyeloureteritis cystica
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • GB56.0 – Hydronephrosis with ureteropelvic junction obstruction
  • GB56.1 – Hydronephrosis with ureteral obstruction
  • GB56.2 – Hydronephrosis with ureteral orifice obstruction
  • GB56.4 – Other or unspecified hydronephrosis
  • GB56.5 – Hydronephrosis and reflux nephropathy with vesicoureteral or vesico-uretero-renal reflux
  • GB56.Y – Other specified obstructive or reflux nephropathy
  • GB56.Z – Obstructive or reflux nephropathy, unspecified

Foundation entity

Hydronephrosis due to bladder obstruction – http://id.who.int/icd/entity/772609501

Allowed postcoordination axes

Part of: GB56: Obstructive or reflux nephropathy › 16: Diseases of the genitourinary system