ICD-10-CM › N00-N99 › N17-N19 › N18 Chronic kidney disease (CKD) › N18.3

N18.3

Chronic kidney disease, stage 3 (moderate)

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2020, and a category header from FY2021.

Submit one of these 3 more specific codes instead:

  • N18.30 Chronic kidney disease, stage 3 unspecified
  • N18.31 Chronic kidney disease, stage 3a
  • N18.32 Chronic kidney disease, stage 3b

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Chronic kidney disease, stage III (moderate)
  2. FY2011 Draft description revised draft Chronic kidney disease, stage III (moderate) Chronic kidney disease, stage 3 (moderate)
  3. FY2021 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from N18 Chronic kidney disease (CKD)

Use additional code

  • code, if applicable, to identify:
  • associated cachexia (E88.A)
  • kidney transplant status (Z94.0)

Code first

  • any associated:
  • diabetic chronic kidney disease (E08.22, E09.22, E10.22, E11.22, E13.22)
  • hypertensive chronic kidney disease (I12.-, I13.-)

Inherited from the N17-N19 section Acute kidney failure and chronic kidney disease (N17-N19)

Excludes2 - not included here

  • 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 (O90.41)
  • 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 (O90.41)
  • renal failure postprocedural (N99.0)

Codes in the same group

CodeDescriptionStatus
N18.1 Chronic kidney disease, stage 1 Valid
N18.2 Chronic kidney disease, stage 2 (mild) Valid
N18.4 Chronic kidney disease, stage 4 (severe) Valid
N18.5 Chronic kidney disease, stage 5 Valid
N18.6 End stage renal disease Valid
N18.9 Chronic kidney disease, unspecified Valid