Alphabetic Index FY2027

N28.9

Disorder of kidney and ureter, unspecified

FY2027Chapter 14: Diseases of the genitourinary system/N25–N29 Other disorders of kidney and ureter

BillableComplete code, valid to report

N28.9 (also written N289) is a billable ICD-10-CM diagnosis code for disorder of kidney and ureter, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 10 codes in category N28 (Other disorders of kidney and ureter, not elsewhere classified). The Alphabetic Index lists it under 21 entries. Its coding notes include 2 Excludes1 entries and 9 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • chronic renal insufficiency (N18.9)
  • unspecified nephritic syndrome (N05.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (9 notes)
Inherited from N25–N29 Other disorders of kidney and ureter
  • disorders of kidney and ureter with urolithiasis (N20-N23)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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)

Inclusion terms

Conditions classified to this code.

This code
  • Nephropathy NOS
  • Renal disease (acute) NOS
  • Renal insufficiency (acute)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 21 entries

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