N28 — Other disorders of kidney and ureter, not elsewhere classified

Not billable

Is N28 billable?

No — N28 is a non-billable header code. N28 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 10 billable codes beneath N28.

Billable codes under this header

N28 at a glance

Code	N28
Description	Other disorders of kidney and ureter, not elsewhere classified
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes2 — not included here — inherited from Chapter 14

The conditions below are not part of N28, but a patient may have both at the same time. When documentation supports it, N28 and the excluded code may both be reported.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Excludes2 — not included here — inherited from N25-N29

The conditions below are not part of N28, but a patient may have both at the same time. When documentation supports it, N28 and the excluded code may both be reported.

disorders of kidney and ureter with urolithiasis (N20-N23)

What codes fall under N28? (4)

How long has N28 existed?

N28 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.