Diverticular disease of intestine
In Other diseases of intestines (K55-K64), chapter 11: Diseases of the Digestive System
24 billable codes under K57: 12 are an MCC, 8 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Excludes1: not coded here, use a different code
Excludes2: not included here, code separately if applicable
- diverticulum of appendix (K38.2)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.
All codes under K57
K57 can't be used on a claim. Pick a billable code below; grey headings group them.
- K57.0Diverticulitis of small intestine with perforation and abscess
- K57.00Diverticulitis of small intestine with perforation and abscess without bleeding
- K57.01Diverticulitis of small intestine with perforation and abscess with bleeding
- K57.1Diverticular disease of small intestine without perforation or abscess
- K57.10Diverticulosis of small intestine without perforation or abscess without bleeding
- K57.11Diverticulosis of small intestine without perforation or abscess with bleeding
- K57.12Diverticulitis of small intestine without perforation or abscess without bleeding
- K57.13Diverticulitis of small intestine without perforation or abscess with bleeding
- K57.2Diverticulitis of large intestine with perforation and abscess
- K57.20Diverticulitis of large intestine with perforation and abscess without bleeding
- K57.21Diverticulitis of large intestine with perforation and abscess with bleeding
- K57.3Diverticular disease of large intestine without perforation or abscess
- K57.30Diverticulosis of large intestine without perforation or abscess without bleeding
- K57.31Diverticulosis of large intestine without perforation or abscess with bleeding
- K57.32Diverticulitis of large intestine without perforation or abscess without bleeding
- K57.33Diverticulitis of large intestine without perforation or abscess with bleeding
- K57.4Diverticulitis of both small and large intestine with perforation and abscess
- K57.40Diverticulitis of both small and large intestine with perforation and abscess without bleeding
- K57.41Diverticulitis of both small and large intestine with perforation and abscess with bleeding
- K57.5Diverticular disease of both small and large intestine without perforation or abscess
- K57.50Diverticulosis of both small and large intestine without perforation or abscess without bleeding
- K57.51Diverticulosis of both small and large intestine without perforation or abscess with bleeding
- K57.52Diverticulitis of both small and large intestine without perforation or abscess without bleeding
- K57.53Diverticulitis of both small and large intestine without perforation or abscess with bleeding
- K57.8Diverticulitis of intestine, part unspecified, with perforation and abscess
- K57.80Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
- K57.81Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
- K57.9Diverticular disease of intestine, part unspecified, without perforation or abscess
- K57.90Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
- K57.91Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
- K57.92Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
- K57.93Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
K57 MS-DRGs
As the principal diagnosis, the billable codes under K57 group to MS-DRG 377, 378, 379, 391, or 392 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 377 Gastrointestinal Hemorrhage with MCC (12 of 24 codes)
- DRG 378 Gastrointestinal Hemorrhage with CC (12 of 24 codes)
- DRG 379 Gastrointestinal Hemorrhage without CC/MCC (12 of 24 codes)
- DRG 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC (12 of 24 codes)
- DRG 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC (12 of 24 codes)
Other codes that refer to K57
Notes on these codes point to K57.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Diverticulosis and Diverticulitis
Diverticula are small pouches, or sacs, that bulge outward through weak spots in your colon. They mostly form in the lower part of the colon. Diverticulosis is a condition in which you have these pouches. Most people who have diverticulosis do not have symptoms or problems. But sometimes the pouches can cause symptoms or become inflamed.
Read more about diverticulosis and diverticulitis on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.