ICD-9 Diagnosis Code 596.1

Intestinovesical fistula

Diagnosis Code 596.1

ICD-9: 596.1
Short Description: Intestinovesical fistula
Long Description: Intestinovesical fistula
This is the 2014 version of the ICD-9-CM diagnosis code 596.1

Code Classification
  • Diseases of the genitourinary system (580–629)
    • Other diseases of urinary system (590-599)
      • 596 Other disorders of bladder

Information for Medical Professionals

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • N32.1 - Vesicointestinal fistula

Index of Diseases and Injuries
References found for the code 596.1 in the Index of Diseases and Injuries:

    • Fistula (sinus) 686.9
      • enterovesical 596.1
      • ileovesical 596.1
      • intestinovesical 596.1
      • rectovesical 596.1
        • congenital 753.8
      • sigmoid 569.81
        • vesicoabdominal 596.1
      • vesicocolic 596.1
      • vesicoenteric 596.1
      • vesicointestinal 596.1
      • vesicorectal 596.1
        • congenital 753.8
      • vesicosigmoidal 596.1
      • vesicourethrorectal 596.1

Information for Patients


A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus and the windpipe or the bowel and the vagina. They can also develop between two blood vessels, such as between an artery and a vein or between two arteries.

Some people are born with a fistula. Other common causes of fistulas include

  • Complications from surgery
  • Injury
  • Infection
  • Diseases, such as Crohn's disease or ulcerative colitis

Treatment depends on the cause of the fistula, where it is, and how bad it is. Some fistulas will close on their own. In some cases, you may need antibiotics and/or surgery.

  • Fistula
  • Gastrointestinal fistula

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