Excludes2

  • congenital renal failure (P96.0)
  • drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)
  • extrarenal uremia (R39.2)
  • hemolytic-uremic syndrome (D59.3)
  • hepatorenal syndrome (K76.7)
  • postpartum hepatorenal syndrome (O90.4)
  • posttraumatic renal failure (T79.5)
  • prerenal uremia (R39.2)
  • renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
  • renal failure following labor and delivery (O90.4)
  • renal failure postprocedural (N99.0)
  1. N18 Chronic kidney disease (CKD)

    Use Additional code to identify kidney transplant status, if applicable, (Z94.0)

    1. N18.1 Chronic kidney disease, stage 1

    2. N18.2 Chronic kidney disease, stage 2 (mild)

    3. N18.3 Chronic kidney disease, stage 3 (moderate)

      1. N18.30 Chronic kidney disease, stage 3 unspecified

      2. N18.31 Chronic kidney disease, stage 3a

      3. N18.32 Chronic kidney disease, stage 3b

    4. N18.4 Chronic kidney disease, stage 4 (severe)

    5. N18.5 Chronic kidney disease, stage 5

    6. N18.6 End stage renal disease

      Inclusion term(s):

      • Chronic kidney disease requiring chronic dialysis
    7. N18.9 Chronic kidney disease, unspecified

      Inclusion term(s):

      • Chronic renal disease
      • Chronic renal failure NOS
      • Chronic renal insufficiency
      • Chronic uremia NOS
      • Diffuse sclerosing glomerulonephritis NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.