GB56.3ICD-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 cryoglobulinaemia5C60.1– Renal tubulo-interstitial disorders in cystinosisGB82– Autosomal dominant tubulointerstitial diseaseGB90.Y– pyeloureteritis cystica01– Certain infectious or parasitic diseases05– Endocrine, nutritional or metabolic diseases18– Complications of pregnancy, childbirth and the puerperium22– Injury, poisoning or certain other consequences of external causes
Sibling codes
GB56.0– Hydronephrosis with ureteropelvic junction obstructionGB56.1– Hydronephrosis with ureteral obstructionGB56.2– Hydronephrosis with ureteral orifice obstructionGB56.4– Other or unspecified hydronephrosisGB56.5– Hydronephrosis and reflux nephropathy with vesicoureteral or vesico-uretero-renal refluxGB56.Y– Other specified obstructive or reflux nephropathyGB56.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