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2025 ICD-10-CM code K50.0

Crohn's disease of the small intestine. This includes regional enteritis of the duodenum, ileum, and jejunum.

Use additional codes to identify manifestations, such as pyoderma gangrenosum (L88).If Crohn's disease affects both the small and large intestine, use code K50.8. Do not use K50.0 with K51.- (ulcerative colitis).

Medical necessity must be established by documenting the signs, symptoms, and diagnostic findings confirming the presence of Crohn’s disease in the small intestine. Treatment for Crohn’s disease is medically necessary when aimed at managing active inflammation, preventing complications, and improving the patient's quality of life.

Diagnosis and management of Crohn's disease of the small intestine, which may involve medical therapy, dietary adjustments, and/or surgical interventions.

In simple words: Crohn's disease is a chronic inflammatory condition that affects the digestive tract.Specifically, this code (K50.0) refers to Crohn's disease located in the small intestine. The small intestine is where most of the nutrients from food are absorbed.

Crohn's disease of small intestine. Crohn's disease [regional enteritis] of duodenum. Crohn's disease [regional enteritis] of ileum. Crohn's disease [regional enteritis] of jejunum. Regional ileitis. Terminal ileitis. Excludes1: Crohn's disease of both small and large intestine (K50.8-).

Example 1: A 25-year-old patient presents with abdominal pain, diarrhea, and weight loss.After diagnostic testing, including colonoscopy and imaging, a diagnosis of Crohn's disease affecting the ileum is confirmed. The appropriate code is K50.0., A patient with a known history of Crohn's disease presents with an exacerbation of symptoms, including severe abdominal pain localized to the right lower quadrant. Imaging reveals active inflammation in the terminal ileum. K50.0 is used to document the specific location of the active Crohn's disease., A patient undergoes a small bowel resection due to a stricture (narrowing) caused by long-standing Crohn's disease in the jejunum. K50.0 is used to code the underlying reason for the surgery.

Documentation should include details about the patient's symptoms, location of the disease within the small intestine (duodenum, jejunum, ileum), diagnostic findings from imaging and endoscopic procedures, and disease severity. Any associated complications, such as strictures, fistulas, or abscesses, should also be documented.

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