2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Other Diseases Of Intestines And Peritoneum 560-569 > Functional Digestive Disorders Not Elsewhere Classified 564.* > 2006 ICD-9-CM Diagnosis 564.5 Functional diarrhea View the most recent version of ICD-9-CM 564.5 564.5 is a specific code that can be used to specify a diagnosis 564.5 contains 2 index entries View the ICD-9-CM Volume 1 564.* hierarchy 564.5 Excludes diarrhea: NOS (787.91) psychogenic (306.4)  Index entries containing 564.5: Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91 functional 564.5 following gastrointestinal surgery 564.4 psychogenic 306.4 neurogenic 564.5