Is N73 a billable ICD-10-CM code?

No. N73 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does N73 sit in the tabular list?

Diseases of the genitourinary system (N00-N99), in the block Inflammatory diseases of female pelvic organs (N70-N77).

N73

N73 — Other female pelvic inflammatory diseases

Non-billable headerICD-10-CM

N73 is a non-billable header ICD-10-CM code for other female pelvic inflammatory diseases. 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 N73

These codes carry an Excludes1 note pointing at N73. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading N73 alone.

K65Peritonitis

Risk adjustment

N73 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 N73

9 child codes. Green means billable.

Questions about N73

Is N73 a billable ICD-10-CM code?: No. N73 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does N73 sit in the tabular list?: Diseases of the genitourinary system (N00-N99), in the block Inflammatory diseases of female pelvic organs (N70-N77).