ICD-10 Diagnosis Code K51.413

Inflammatory polyps of colon with fistula

Diagnosis Code K51.413

ICD-10: K51.413
Short Description: Inflammatory polyps of colon with fistula
Long Description: Inflammatory polyps of colon with fistula
This is the 2017 version of the ICD-10-CM diagnosis code K51.413

Code Classification
  • Diseases of the digestive system
    • Noninfective enteritis and colitis (K50-K52)
      • Ulcerative colitis (K51)

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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Ulcerative Colitis

Also called: Colitis, Distal colitis, Pancolitis, Ulcerative proctitis

Ulcerative colitis (UC) is a disease that causes inflammation and sores, called ulcers, in the lining of the rectum and colon. It is one of a group of diseases called inflammatory bowel disease.

UC can happen at any age, but it usually starts between the ages of 15 and 30. It tends to run in families. The most common symptoms are pain in the abdomen and blood or pus in diarrhea. Other symptoms may include

  • Anemia
  • Severe tiredness
  • Weight loss
  • Loss of appetite
  • Bleeding from the rectum
  • Sores on the skin
  • Joint pain
  • Growth failure in children

About half of people with UC have mild symptoms.

Doctors use blood tests, stool tests, colonoscopy or sigmoidoscopy, and imaging tests to diagnose UC. Several types of drugs can help control it. Some people have long periods of remission, when they are free of symptoms. In severe cases, doctors must remove the colon.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases

  • Colonoscopy
  • Large bowel resection
  • Low-fiber diet
  • Lower GI Series - NIH (National Institute of Diabetes and Digestive and Kidney Diseases)
  • Ulcerative colitis
  • Ulcerative colitis - discharge

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