pyelonephritis N11.1 (chronic)ICD-10-CM Diagnosis Code N11.1
Chronic obstructive pyelonephritis
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
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
Type 1 Excludes- calculous pyelonephritis (N20.9)
- obstructive uropathy (N13.-)