Is N11.0 a billable ICD-10-CM code?

Yes. N11.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does N11.0 sit in the tabular list?

Diseases of the genitourinary system (N00-N99), in the block Renal tubulo-interstitial diseases (N10-N16).

What cannot be coded together with N11.0?

N11.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

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.

Excludes1 — 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

These codes carry an Excludes1 note pointing at N11.0. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading N11.0 alone.

N13.7Vesicoureteral-reflux

Risk adjustment

N11.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

N11.0 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A55336Billing and Coding: Retroperitoneal Ultrasound
A56421Billing and Coding: CT of the Abdomen and Pelvis

How N11.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to N11.0.

Pyelonephritis›nonobstructive›with reflux(vesicoureteral)
Pyelonephritis›chronic›nonobstructive›with reflux(vesicoureteral)
Reflux›vesicoureteral›with›pyelonephritis(chronic)
Nephritis, nephritic›tubulo-interstitial›chronic›nonobstructive›reflux-associated

Related codes at this level

Codes that share N11. If N11.0 is not quite right, the correct code is usually one of these.

Questions about N11.0

Is N11.0 a billable ICD-10-CM code?: Yes. N11.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N11.0 sit in the tabular list?: Diseases of the genitourinary system (N00-N99), in the block Renal tubulo-interstitial diseases (N10-N16).
What cannot be coded together with N11.0?: N11.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.