Other functional intestinal disorders K59

The ICD10 code for the diagnosis "Other functional intestinal disorders" is "K59". K59 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • K59 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM K59 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of K59 - other international versions of ICD-10 K59 may differ.
Type 1 Excludes:
  • change in bowel habit NOS (R19.4)
  • intestinal malabsorption (K90.-)
  • psychogenic intestinal disorders (F45.8)
Type 2 Excludes:
  • functional disorders of stomach (K31.-)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.