N11.1Chronic obstructive pyelonephritis
ICD-10-CM billable/specific code — part of Renal tubulo-interstitial diseases (N10-N16)
Coding Notes
Inclusion Terms
- 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 (never code both together)
- calculous pyelonephritis (N20.9)
- obstructive uropathy (N13.-)