ICD-10-CM 2027 diagnosis code

N28Other disorders of kidney and ureter, not elsewhere classified

Not billable — use a more specific code

N28 is a header code, so it can't be reported by itself. Choose one of the 4 more specific codes beneath it.Short description: Oth disorders of kidney and ureter, not elsewhere classified

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About N28

N28 is the ICD-10-CM diagnosis code for other disorders of kidney and ureter, not elsewhere classified. It belongs to block N25-N29 (other disorders of kidney and ureter) and chapter 14 (diseases of the genitourinary system). It is a header code, so it can't be reported by itself; one of its 4 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: N28.0 (kidney), N28.1 (acquired), N28.8 (ureter) and N28.9 (unspecified).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under N28

Notes that apply from higher levels

Instructions written at a parent level also apply to N28.

Broader instructions also apply from N25-N29 Other disorders of kidney and ureter and Chapter 14: Diseases of the genitourinary system.

Code history

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2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about N28

Is N28 billable?: No. N28 is a header code. Report one of its more specific subcodes instead.