ICD-10-CM › K00-K95 › K55-K64 › K59 Other functional intestinal disorders › K59.8

K59.8

Other specified functional intestinal disorders

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 2 more specific codes instead:

  • K59.81 Ogilvie syndrome
  • K59.89 Other specified functional intestinal disorders

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 Other specified functional intestinal disorders
  2. 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 K59 Other functional intestinal disorders

Excludes1 - never coded here

  • change in bowel habit NOS (R19.4)
  • intestinal malabsorption (K90.-)
  • psychogenic intestinal disorders (F45.8)

Excludes2 - not included here

  • functional disorders of stomach (K31.-)

Codes in the same group

CodeDescriptionStatus
K59.0 Constipation Not billable
K59.1 Functional diarrhea Valid
K59.2 Neurogenic bowel, not elsewhere classified Valid
K59.3 Megacolon, not elsewhere classified Not billable
K59.4 Anal spasm Valid
K59.9 Functional intestinal disorder, unspecified Valid