Is N45 a billable ICD-10-CM code?

No. N45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does N45 sit in the tabular list?

Diseases of the genitourinary system (N00-N99), in the block Diseases of male genital organs (N40-N53).

N45

N45 — Orchitis and epididymitis

Non-billable headerICD-10-CM

N45 is a non-billable header ICD-10-CM code for orchitis and epididymitis. It cannot be billed on its own: choose one of the more specific child codes below.

Use additional code

Add a secondary code to capture the detail described below.

code (B95-B97), to identify infectious agent.

Other codes that can never be billed with N45

These codes carry an Excludes1 note pointing at N45. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading N45 alone.

N49Inflammatory disorders of male genital organs, not elsewhere classified

Risk adjustment

N45 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 N45

4 child codes. Green means billable.

Questions about N45

Is N45 a billable ICD-10-CM code?: No. N45 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does N45 sit in the tabular list?: Diseases of the genitourinary system (N00-N99), in the block Diseases of male genital organs (N40-N53).