K59.89
K59.89: Other specified functional intestinal disorders
Billable / specific codeICD-10-CM
K59.89 is a billable, specific ICD-10-CM code for other specified functional intestinal disorders. It is valid for submission on a claim.
Check K59.89 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Atony of colon
- Pseudo-obstruction (acute) (chronic) of intestine
Excludes1 inherited from the categories above K59.89
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above K59.89
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K59.89 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55937Billing and Coding: Diagnostic Colonoscopy
- A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Alphabetic index entries that lead here
- Pseudo-obstruction intestine(acute) (chronic) (idiopathic) (intermittent secondary) (primary)
- Achalasia›sphincteral NEC
- Atonia, atony, atonic›cecum
- Atonia, atony, atonic›intestine
- Contraction, contracture, contracted›anus
- Contraction, contracture, contracted›rectum, rectal(sphincter)
- Dilatation›anus
- Dilatation›duodenum
- Dilatation›ileum
- Dilatation›jejunum
- Dyskinesia›intestinal
- Dyspepsia›intestinal
Code history
Unchanged in every release from FY2024 to FY2027.