Is N35.1 a billable ICD-10-CM code?

No. N35.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does N35.1 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 N35.1?

N35.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

N35.1

N35.1 — Postinfective urethral stricture, not elsewhere classified

Non-billable headerICD-10-CM

N35.1 is a non-billable header ICD-10-CM code for postinfective urethral stricture, not elsewhere classified. 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.

urethral stricture associated with schistosomiasis (B65.-, N29)
gonococcal urethral stricture (A54.01)
syphilitic urethral stricture (A52.76)

Risk adjustment

N35.1 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 N35.1

2 child codes. Green means billable.

Related codes at this level

Codes that share N35. If N35.1 is not quite right, the correct code is usually one of these.

Questions about N35.1

Is N35.1 a billable ICD-10-CM code?: No. N35.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does N35.1 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 N35.1?: N35.1 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.