N11.1 Chronic obstructive pyelonephritis

Type 1 Excludes:
  • Calculous Pyelonephritis (N20.9)
  • Obstructive Uropathy (N13.-)
Applicable To:
  • 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

The following code(s) above N11.1 may contain annotation back-references that may be applicable to N11.1:

Diagnosis Index