ICD-10 Code
International Classification of Diseases, 10th Revision
Oct 19, 2017
  ICD-10 Code for Functional diarrhea K59.1

K59.1 is a valid1 ICD 10 diagnosis code.

K59.1 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

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Excludes1
  • diarrhea NOS (R19.7)
  • irritable bowel syndrome with diarrhea (K58.0)
See also ICD 10 code for

Related Terms to “Functional diarrhea”

See the 2017 ICD-10-CM Coding Guidelines.

Questions related to K59.1 Functional diarrhea

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.