Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.
Applicable to
Conditions in N13.0-N13.5 with infection
Obstructive uropathy with infection
Use additional code
code (B95-B97), to identify infectious agent.
Applies from N13 Obstructive and reflux uropathy
Excludes2 (not included here)
calculus of kidney and ureter without hydronephrosis (N20.-)
congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3)
hydronephrosis with ureteropelvic junction obstruction (Q62.11)
obstructive pyelonephritis (N11.1)
MS-DRG index
Defines the logic of DRG(s) 689-690 in MDC 11.
Approximate ICD-9-CM (GEMs)
590.80 Pyelonephritis, unspecified (approximate)
Code annotations containing back-references to N13.6
Back-references to N13.6
Type 1 Excludes: M72.8 Other fibroblastic disorders ("perirenal fasciitis with infection (N13.6)")
Type 1 Excludes: N13.1 Hydronephrosis with ureteral stricture, not elsewhere classified ("Hydronephrosis with ureteral stricture with infection (N13.6)")
Type 1 Excludes: N13.2 Hydronephrosis with renal and ureteral calculous obstruction ("Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6)")
Type 1 Excludes: N13.3 Other and unspecified hydronephrosis ("hydronephrosis with infection (N13.6)")
Type 1 Excludes: N13.4 Hydroureter ("hydroureter with infection (N13.6)")
Type 1 Excludes: N13.5 Crossing vessel and stricture of ureter without hydronephrosis ("Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6)")
Type 1 Excludes: N39.0 Urinary tract infection, site not specified ("pyonephrosis (N13.6)")
Back-references to N13
Type 1 Excludes: N11.1 Chronic obstructive pyelonephritis ("obstructive uropathy (N13.-)")
Code Also: N80.A4 Superficial endometriosis of ureter (", if applicable, obstructive and reflux uropathy (N13.-)")
Code Also: N80.A5 Deep endometriosis of ureter (", if applicable, obstructive and reflux uropathy (N13.-)")
Code Also: N80.A6 Endometriosis of ureter, unspecified depth (", if applicable, obstructive and reflux uropathy (N13.-)")
Diagnosis Index entries for N13.6
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › kidney › with calculus › with hydronephrosis
Angulation › ureter › with infection
Calculus, calculi, calculous › kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn) › with calculus, ureter › with hydronephrosis › with infection
Calculus, calculi, calculous › kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn) › congenital › with hydronephrosis › with infection
Calculus, calculi, calculous › pyelitis (impacted) (recurrent) › with hydronephrosis
Calculus, calculi, calculous › pyelonephritis (impacted) (recurrent) › with hydronephrosis
Calculus, calculi, calculous › ureter (impacted) (recurrent) › with calculus, kidney › with hydronephrosis › with infection
Calculus, calculi, calculous › ureter (impacted) (recurrent) › with hydronephrosis › with infection
Calculus, calculi, calculous › urinary (duct) (impacted) (passage) (tract) › with hydronephrosis › with infection
Fasciitis › perirenal (with ureteral obstruction) › with infection
Fibrosis, fibrotic › retroperitoneal › with infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › obstruction (by) (of) › renal calculus › with infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › obstruction (by) (of) › ureteral NEC › with infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › obstruction (by) (of) › ureteral NEC › calculus › with infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › obstruction (by) (of) › ureteropelvic junction (congenital) › acquired › with infection
Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC › with › ureteral stricture NEC › with infection
Hydropyonephrosis
Hydroureter › with infection
Infection, infected, infective (opportunistic) › kidney (cortex) (hematogenous) › with calculus › with hydronephrosis
Kink, kinking › ureter (pelvic junction) › with › hydronephrosis › with infection
Narrowing › ureter › with infection
Obliteration › ureter › with infection
Obstruction, obstructed, obstructive › ureter (functional) (pelvic junction) NEC › with › hydronephrosis › with infection
Ormond's disease (with ureteral obstruction) › with infection
Prolapse, prolapsed › ureter › with obstruction › with infection
Pyelitis (congenital) (uremic) › with › calculus › with hydronephrosis
Pyelitis (congenital) (uremic) › chronic › with calculus › with hydronephrosis
Pyelonephritis › with › calculus › with hydronephrosis
Pyelonephritis › calculous › with hydronephrosis
Pyelonephritis › chronic › with calculus › with hydronephrosis
Pyohydronephrosis
Pyonephrosis
Stricture › ureter (postoperative) › with › hydronephrosis › with infection
Stricture › ureterovesical orifice › with infection