GB56.0

ICD-11 MMS 2026-01

Hydronephrosis with ureteropelvic junction obstruction

Description

A condition caused by any obstruction in or stenosis of the ureteropelvic junction. This condition is characterised by distension of the pelvis and calyces of the kidney with a partial or complete obstructed flow of urine. This condition may present with flank pain, haematuria, pyuria, or hyperpyrexia.

Index terms

  • Hydronephrosis with ureteropelvic junction obstruction
  • stricture of ureteropelvic junction with hydronephrosis
  • Hydronephrosis with ureteropelvic junction obstruction, acquired
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  • Hydronephrosis with ureteropelvic junction obstruction due to cause classified elsewhere
  • Hydronephrosis with ureteropelvic junction obstruction, congenital

Excludes

  • LB31.0 – Congenital hydronephrosis
  • LB31.8 – Congenital ureteropelvic junction occlusion (QJCB)

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

  • GB56.1 – Hydronephrosis with ureteral obstruction
  • GB56.2 – Hydronephrosis with ureteral orifice obstruction
  • GB56.3 – Hydronephrosis due to bladder 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 with ureteropelvic junction obstruction – http://id.who.int/icd/entity/647756013

Allowed postcoordination axes

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