N11.0
N11.0: Nonobstructive reflux-associated chronic pyelonephritis
Billable / specific codeICD-10-CM
N11.0 is a billable, specific ICD-10-CM code for nonobstructive reflux-associated chronic pyelonephritis. It is valid for submission on a claim.
Check N11.0 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- vesicoureteral reflux NOS (N13.70)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Pyelonephritis (chronic) associated with (vesicoureteral) reflux
Other codes that can never be billed with N11.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N11.0 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Pyelonephritis›nonobstructive›with reflux(vesicoureteral)
- Pyelonephritis›chronic›nonobstructive›with reflux(vesicoureteral)
- Reflux›vesicoureteral›with›pyelonephritis(chronic)
- Nephritis, nephritic›tubulo-interstitial›chronic›nonobstructive›reflux-associated
Code history
Unchanged in every release from FY2024 to FY2027.