N26

Unspecified contracted kidney

Non-billable header

N26 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

  • contracted kidney due to hypertension (I12.-)
  • diffuse sclerosing glomerulonephritis (N05.8.-)
  • hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-)
  • small kidney of unknown cause (N27.-)

Excludes2

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

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

More specific codes N26

  • N26.1Atrophy of kidney (terminal)Billable
  • N26.2Page kidneyBillable
  • N26.9Renal sclerosis, unspecifiedBillable

Related codes

  • N25Disorders resulting from impaired renal tubular functionHeader
  • N27Small kidney of unknown causeHeader
  • N28Other disorders of kidney and ureter, not elsewhere classifiedHeader
  • N29Other disorders of kidney and ureter in diseases classified elsewhereBillable

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