Pyonephrosis
Billable / specific
N13.6 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
Includes (from N13)
- pyelonephritis
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from N13)
- certain infectious and parasitic diseases (A00-B99) (from N13)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N13)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N13)
- endocrine, nutritional and metabolic diseases (E00-E88) (from N13)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from N13)
- neoplasms (C00-D49) (from N13)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N13)
- calculus of kidney and ureter without hydronephrosis (N20.-) (from N13)
- congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3) (from N13)
- hydronephrosis with ureteropelvic junction obstruction (Q62.11) (from N13)
- obstructive pyelonephritis (N11.1) (from N13)
Use additional code
Add a code to identify the following, if applicable.
Also known as
- Conditions in N13.0-N13.5 with infection
- Obstructive uropathy with infection
- Abscess, kidney, with calculus, with hydronephrosis
- Angulation, ureter, with infection
- Calculus, calculi, calculous, pyelitis, with hydronephrosis
- Calculus, calculi, calculous, pyelonephritis, with hydronephrosis
- Calculus, calculi, calculous, ureter, with hydronephrosis, with infection
- Calculus, calculi, calculous, urinary, with hydronephrosis, with infection
- Constriction, ureter, with infection
- Contraction, contracture, contracted, ureterovesical orifice, with infection
- Fasciitis, perirenal, with infection
- Fibrosis, fibrotic, retroperitoneal, with infection
- HydronephrosisNEC, with infection
- HydronephrosisNEC, with ureteral stricture NEC, with infection
- Hydropyonephrosis
- Hydroureter, with infection
- Infection, infected, infective, kidney, with calculus, with hydronephrosis
Parent code
- N13Obstructive and reflux uropathyHeader
Related codes
- N13.0Hydronephrosis with ureteropelvic junction obstructionBillable
- N13.1Hydronephrosis with ureteral stricture, not elsewhere classifiedBillable
- N13.2Hydronephrosis with renal and ureteral calculous obstructionBillable
- N13.3Other and unspecified hydronephrosisHeader
- N13.4HydroureterBillable
- N13.5Crossing vessel and stricture of ureter without hydronephrosisBillable
- N13.7Vesicoureteral-refluxHeader
- N13.8Other obstructive and reflux uropathyBillable
- N13.9Obstructive and reflux uropathy, unspecifiedBillable