Is N35 a billable ICD-10-CM code?

No. N35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does N35 sit in the tabular list?

Diseases of the genitourinary system (N00-N99), in the block Other diseases of the urinary system (N30-N39).

What cannot be coded together with N35?

N35 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

N35

N35 — Urethral stricture

Non-billable headerICD-10-CM

N35 is a non-billable header ICD-10-CM code for urethral stricture. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

congenital urethral stricture (Q64.3-)
postprocedural urethral stricture (N99.1-)

Risk adjustment

N35 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.

Code to one of these instead N35

4 child codes. Green means billable.

Questions about N35

Is N35 a billable ICD-10-CM code?: No. N35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does N35 sit in the tabular list?: Diseases of the genitourinary system (N00-N99), in the block Other diseases of the urinary system (N30-N39).
What cannot be coded together with N35?: N35 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.