N11.1 - Chronic obstructive pyelonephritis

The ICD 10 Code for Chronic obstructive pyelonephritis is listed as N11.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	N11.1
Description:	Chronic obstructive pyelonephritis Pyelonephritis (chronic) associated with anomaly of pelviureteric junction Pyelonephritis (chronic) associated with anomaly of pyeloureteric junction Pyelonephritis (chronic) associated with crossing of vessel Pyelonephritis (chronic) associated with kinking of ureter Pyelonephritis (chronic) associated with obstruction of ureter Pyelonephritis (chronic) associated with stricture of pelviureteric junction Pyelonephritis (chronic) associated with stricture of ureter Excludes1: calculous pyelonephritis (N20.9) obstructive uropathy (N13.-)
Diagnostic Related Groups (MS-DRG v30.0)	691 - Urinary Stones W Esw Lithotripsy W Cc/mcc 692 - Urinary Stones W Esw Lithotripsy W/o Cc/mcc 693 - Urinary Stones W/o Esw Lithotripsy W Mcc 694 - Urinary Stones W/o Esw Lithotripsy W/o Mcc

Chapter	Diseases of the genitourinary system (N00-N99)
Block	Renal tubulo-interstitial diseases (N10-N16)
Parent	N11 - Chronic tubulo-interstitial nephritis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	Combination: 593.3 - Stricture or kinking of ureter 593.4 - Other ureteric obstruction with 590.01 - Chronic pyelonephritis with lesion of renal medullary necrosis
ICD-10-CM Siblings (same level / similar specificity) of N11.1:
N11.0 - Nonobstructive reflux-associated chronic pyelonephritis
N11.8 - Other chronic tubulo-interstitial nephritis
N11.9 - Chronic tubulo-interstitial nephritis, unspecified