2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Other Diseases Of Intestines And Peritoneum 560-569 > Anal Fissure And Fistula 565.* > 2006 ICD-9-CM Diagnosis 565.0 Anal fissure View the most recent version of ICD-9-CM 565.0 A painful linear ulcer at the margin of the anus. It appears as a crack or slit in the mucous membrane of the anus and is very painful and difficult to heal. 565.0 is a specific code that can be used to specify a diagnosis 565.0 contains 5 index entries View the ICD-9-CM Volume 1 565.* hierarchy Alternate Terminology Tear of anus, nontraumatic 565.0 Excludes traumatic (863.89, 863.99)  Index entries containing 565.0: Fissure, fissured anus, anal 565.0 congenital 751.5 postanal 565.0 rectum 565.0 Laceration - see also Wound, open, by site anus (sphincter) 879.6 nontraumatic, nonpuerperal 565.0 Tear, torn (traumatic) - see also Wound, open, by site anus, anal (sphincter) 863.89 nontraumatic, nonpuerperal 565.0