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K59.1 - Functional diarrhea


The ICD 10 Code for Functional diarrhea is listed as K59.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K59.1
Description: Functional diarrhea
  • Excludes1: diarrhea NOS (R19.7)
  • irritable bowel syndrome with diarrhea (K58.0)
Diagnostic Related Groups
(MS-DRG v30.0)
391 - Esophagitis, Gastroent & Misc Digest Disorders W Mcc
392 - Esophagitis, Gastroent & Misc Digest Disorders W/o Mcc
Chapter Diseases of the digestive system (K00-K95)
Block Other diseases of intestines (K55-K64)
Parent K59 - Other functional intestinal disorders
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 564.5 - Functional diarrhea
ICD-10-CM Siblings (same level / similar specificity) of K59.1:
K59.0 - Constipation
K59.2 - Neurogenic bowel, not elsewhere classified
K59.3 - Megacolon, not elsewhere classified
K59.4 - Anal spasm
K59.8 - Other specified functional intestinal disorders
K59.9 - Functional intestinal disorder, unspecified