N28.9

Disorder of kidney and ureter, unspecified

Billable / specific

N28.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

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

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from N28)
  • certain infectious and parasitic diseases (A00-B99) (from N28)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from N28)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from N28)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from N28)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from N28)
  • neoplasms (C00-D49) (from N28)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from N28)
  • disorders of kidney and ureter with urolithiasis (N20-N23) (from N28)

Also known as

  • Nephropathy NOS
  • Renal disease (acute) NOS
  • Renal insufficiency (acute)
  • Block, blocked, kidney
  • Cachexia, renal
  • Complication, renal
  • Depletion, salt or sodium, nephropathy
  • Disease, diseased, kidney
  • Disease, diseased, renal
  • Disease, diseased, renal, acute
  • Disease, diseased, ureter
  • Disorder, kidney
  • Disorder, ureter
  • Impaired, impairment, kidney
  • Impaired, impairment, renal
  • Inefficiency, kidney
  • Insufficiency, insufficient, kidney
  • Insufficiency, insufficient, kidney, acute

Parent code

  • N28Other disorders of kidney and ureter, not elsewhere classifiedHeader

Related codes

  • N28.0Ischemia and infarction of kidneyBillable
  • N28.1Cyst of kidney, acquiredBillable
  • N28.8Other specified disorders of kidney and ureterHeader

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