ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 24, 2017
  ICD-10 Code for Functional intestinal disorder, unspecified K59.9

K59.9 is a valid1 ICD 10 diagnosis code.

K59.9 is valid for submission for HIPAA-covered transactions.

Chapter 11 Diseases of the digestive system (K00-K95)
Section K55-K64 Other diseases of intestines (K55-K64)
Category K59 Other functional intestinal disorders

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1 No additional coding requirements necessary.

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Related Terms to “Functional intestinal disorder, unspecified”

  • ComplaintSee also Disease
    • bowel, functional - K59.9
    • intestine, functional - K59.9
  • Disease, diseasedSee also Syndrome
  • Disorder(of)See also Disease
    • intestine, intestinal
      • functional NEC - K59.9
  • Distress
    • intestinal NOS(functional) - K59.9
  • Dysfunction
    • colon - K59.9
    • rectum - K59.9
  • SyndromeSee also Disease
    • functional
      • bowel - K59.9
  • Upset
    • intestinal(large) (small) - K59.9
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to K59.9 Functional intestinal disorder, unspecified

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.