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7329
§ 4.114 Schedule of ratings—digestive system.

Colon cancer

Malignant tumor of the colon (large intestine)

What the rating means

VA rates resection of the large intestine under diagnostic code 7329. The possible ratings are 10%, 20%, 40%, 60%, and 100%, depending on how much of the colon was removed and what permanent effects remain.

A partial colectomy with reanastomosis — meaning the intestinal tube was reconnected — rates at 10%. If that same surgery resulted in loss of the ileocecal valve and recurrent diarrhea more than three times per day, the rating rises to 20%. A partial colectomy that left you with a permanent colostomy or ileostomy, without high-output syndrome, rates at 40%. A total colectomy with or without a permanent colostomy or ileostomy, also without high-output syndrome, rates at 60%. The highest rating, 100%, applies to a total colectomy with formation of an ileostomy, high-output syndrome, and more than two episodes of dehydration requiring intravenous hydration in the past 12 months.

VA will not combine this rating with ratings under certain other digestive diagnostic codes. When more than one of those codes would apply, VA assigns a single rating under the code that best reflects your overall disability, and may raise it one level if the total picture warrants it.

Evidence that helps

Operative reports and pathology records are central to this rating. They show whether you had a partial or total colectomy, whether a permanent colostomy or ileostomy was created, whether the ileocecal valve was removed, and whether reanastomosis was performed. These records directly determine which rating level applies.

For the 20% level, medical records documenting recurrent diarrhea — specifically more than three episodes per day — help establish that criterion. Gastroenterology notes, primary care visit records, and bowel-function logs or diaries you keep can all reflect the frequency of diarrhea.

For the 100% level, records showing an ileostomy with high-output syndrome are needed, along with hospital or urgent-care records confirming at least three hospitalizations or treatment visits for intravenous hydration within the past 12 months. Lab results showing electrolyte abnormalities can support the picture of dehydration.

At any level, statements from you or people who live with you describing how symptoms — such as frequent bowel urgency, output management, or dehydration episodes — affect your work, daily activities, and routine can help VA understand the full impact of your condition.

Secondary conditions

Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.