GB58

ICD-11 MMS 2026-01

Pyonephrosis

Description

A condition caused by complications subsequent to calyces, hydronephrosis, or pyelonephritis, or which may be idiopathic. This condition is characterised by a collection of pus in the renal pelvis, leading to distension of the kidney and possibly kidney failure.

Index terms

  • Pyonephrosis
  • Other and unspecified hydronephrosis with infection
  • Abscess of kidney with calculus and hydronephrosis
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  • Angulation of ureter with infection
  • Constriction of ureter with infection
  • kinking and stricture of ureter without hydronephrosis with infection
  • narrowing of ureter with infection
  • Contraction of ureterovesical orifice with infection
  • stricture of ureterovesical orifice with infection
  • Hydronephrosis and ureteral stricture with infection
  • Hydronephrosis with ureteral stricture, not elsewhere classified with infection
  • Hydronephrosis with renal and ureteral calculous obstruction with infection
  • Calculus of ureter with calculus of kidney with hydronephrosis with infection
  • Hydronephrosis with ureteropelvic junction obstruction with infection
  • Stricture of ureteropelvic junction with hydronephrosis and infection
  • Hydronephrotic atrophy of kidney with infection
  • Hydropyonephrosis
  • pyohydronephrosis
  • Hydroureter with infection
  • Hydroureteronephrosis infection
  • Kidney infection with calculus and hydronephrosis
  • renal calculus with hydronephrosis and infection
  • Obliteration of ureter with infection
  • Obstructive uropathy with infection
  • Perirenal fasciitis with infection
  • Prolapse of ureter with obstruction and infection

Exclusions from above levels

  • 4A43.2Y – Sjögren syndrome with renal tubulo-interstitial disorders
  • 4B22 – Renal tubulo-interstitial disorders in simple cryoglobulinaemia
  • 5C60.1 – Renal tubulo-interstitial disorders in cystinosis
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  • 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

  • GB50 – Acute tubulo-interstitial nephritis
  • GB51 – Acute pyelonephritis
  • GB52 – Acute tubular necrosis
  • GB53 – Acute renal papillary necrosis
  • GB54 – Tubulo-interstitial nephritis, not specified as acute or chronic
  • GB55 – Chronic tubulo-interstitial nephritis
  • GB56 – Obstructive or reflux nephropathy
  • GB57 – Nephrocalcinosis
  • GB59 – Renal or perinephric abscess
  • GB5Y – Other specified renal tubulo-interstitial diseases
  • GB5Z – Renal tubulo-interstitial diseases, unspecified

Foundation entity

Pyonephrosis – http://id.who.int/icd/entity/809412333

Allowed postcoordination axes

Part of: 16: Diseases of the genitourinary system