What diverticulitis ICD codes can I use?
There are a number of diverticulitis ICD codes you can use. Here are eight examples of diverticulitis-related ICD-10 codes you can use:
- K57.00 - Diverticulitis of small intestine with perforation and abscess without bleeding
This ICD-10 code is meant to be used on a patient confirmed to have diverticulitis, specifically of their small intestines. They also have perforation (tears in the colon walls) and abscess (pus build-up), but no bleeding.
- K57.01 - Diverticulitis of small intestine with perforation and abscess with bleeding
This is similar to Item 1, but this time, there is bleeding.
- K57.12 - Diverticulitis of small intestine without perforation or abscess without bleeding
This is similar to Item 1, but this time, there is no perforation or abscess and no bleeding.
- K57.13 - Diverticulitis of small intestine without perforation or abscess with bleeding
This is similar to Item 3, but this time, there is bleeding.
- K57.20 - Diverticulitis of large intestine with perforation and abscess without bleeding
This is similar to Item 1, but this time, the diverticulitis is of the large intestines.
- K57.21 - Diverticulitis of large intestine with perforation and abscess with bleeding
This is similar to Item 5, but this time, there is bleeding.
- K57.32 - Diverticulitis of large intestine without perforation or abscess without bleeding
This is similar to Item 5, but this time, there is no perforation or abscess, and no bleeding.
- K57.33 - Diverticulitis of large intestine without perforation or abscess with bleeding
This is similar to Item 7, but this time, there is bleeding.
There are more diverticulitis ICD codes. Some of them are for both intestines, and some of them are for unspecified intestines.

