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Diagnosis Code

K59.1 FUNCTIONAL DIARRHEA


Code Information

Diagnosis Code: K59.1

Short Description: Functional diarrhea

Long Description: Functional diarrhea

The code K59.1 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Other diseases of intestines (K55-K64)
      • Other functional intestinal disorders (K59)
        • K59.1 Functional diarrhea

Code Version: 2022 ICD-10-CM


Synonyms

  • Functional diarrhea

Diagnostic Related Group(s)

The code K59.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders Without Mcc (392)

References to Index of Diseases and Injuries

The code K59.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • diarrhea NOS (@R19.7*)
    • irritable bowel syndrome with diarrhea (@K58.0*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K59.1 Right Arrow 564.5 Functional diarrhea

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K59 Other functional intestinal disorders
K59.0 Constipation
K59.00 Constipation, unspecified
K59.01 Slow transit constipation
K59.02 Outlet dysfunction constipation
K59.03 Drug induced constipation
K59.04 Chronic idiopathic constipation
K59.09 Other constipation
K59.2 Neurogenic bowel, not elsewhere classified
K59.3 Megacolon, not elsewhere classified
K59.31 Toxic megacolon
K59.39 Other megacolon
K59.4 Anal spasm
K59.8 Other specified functional intestinal disorders
K59.81 Ogilvie syndrome
K59.89 Other specified functional intestinal disorders
K59.9 Functional intestinal disorder, unspecified

This page was last updated on: 10/1/2023

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