N11.1 - Chronic obstructive pyelonephritis
- Applicable to Chronic obstructive pyelonephritis
- The 2025 edition of ICD10-CM N11.1 became effective on October 1, 2024.
- This is the American ICD10-CM version of N11.1 - other international versions of ICD10 N11.1 may differ.
- N11.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- 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.-)
The following codes above N11.1 contain annotation back-references that may be applicable to N11.1:
Chapter: N00-N99 Diseases of the genitourinary system
Section: N10-N16 Renal tubulo-interstitial diseases
Category: N11 Chronic tubulo-interstitial nephritis
Billable/Specific Code
Browse other similar CM codes
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
Please, give attribution to our website icd-10code.com