N28
N28 — Other disorders of kidney and ureter, not elsewhere classified
Non-billable headerICD-10-CM
N28 is a non-billable header ICD-10-CM code for other disorders of kidney and ureter, not elsewhere classified. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with N28
These codes carry an Excludes1 note pointing at N28. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading N28 alone.
Risk adjustment
N28 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 N28
4 child codes. Green means billable.
Questions about N28
- Is N28 a billable ICD-10-CM code?
- No. N28 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does N28 sit in the tabular list?
- Diseases of the genitourinary system (N00-N99), in the block Other disorders of kidney and ureter (N25-N29).