ICD-10 Coding Tip: Crohn’s Disease

ICD-10 Coding Tip: Crohn’s Disease

Crohn’s disease is a chronic inflammation of the gastrointestinal tract that most frequently affects the end of the small bowel and the beginning of the large bowel. Potential symptoms include persistent diarrhea, cramping, abdominal pain, fever, rectal bleeding, fatigue, loss of appetite, and weight loss. The disease is not limited to the gastrointestinal tract, and may affect the joints, eyes, skin, and liver. Crohn’s disease can occur at any age, but usually occurs between the ages of 15-35.

The location of the Crohn’s disease, as well as any complication or manifestation, are important to code selection, as follows:

K50.00 Crohn’s disease of small intestine without complication

K50.011 Crohn’s disease of small intestine with rectal bleeding

K50.012 Crohn’s disease of small intestine with intestinal obstruction

K50.013 Crohn’s disease of small intestine with fistula

K50.014 Crohn’s disease of small intestine with abscess

K50.018 Crohn’s disease of small intestine with other complication

K50.019 Crohn’s disease of small intestine unspecified complications

K50.10 Crohn’s disease of large intestine without complications

K50.111 Crohn’s disease of large intestine with rectal bleeding

K50.112 Crohn’s disease of large intestine with intestinal obstruction

K50.113 Crohn’s disease of large intestine with fistula

K50.114 Crohn’s disease of large intestine with abscess

K50.118 Crohn’s disease of large intestine with other complication

K50.119 Crohn’s disease of large intestine unspecified complications

K50.80 Crohn’s disease of both small and large intestine without complications

K50.811 Crohn’s disease of both small and large intestine with rectal bleeding

K50.812 Crohn’s disease of both small and large intestine with intestinal obstruction

K50.813 Crohn’s disease of both small and large intestine with fistula

K50.814 Crohn’s disease of both small and large intestine with abscess

K50.818 Crohn’s disease of both small and large intestine with other complication

K50.819 Crohn’s disease of both small and large intestine unspecified complications

K50.90 Crohn’s disease, unspecified without complication

K50.911 Crohn’s disease, unspecified with rectal bleeding

K50.912 Crohn’s disease, unspecified with intestinal obstruction

K50.913 Crohn’s disease, unspecified with fistula

K50.914 Crohn’s disease, unspecified with abscess

K50.918 Crohn’s disease, unspecified with other complication

K50.919 Crohn’s disease, unspecified with unspecified complications

Example: A 30-year-old male presents with multiple, non-bloody, loose stools per day, right lower quadrant abdominal pain that occurs especially after eating, and 25 lb. weight loss. Physical examination show a definite and moderately tender 5 cm mass in the right lower quadrant of his abdomen. Results of the stool studies are negative for enteric pathogens. Results from his blood work show mild anemia with normal metabolic panel and normal thyroid-stimulating hormone levels. Radiographic findings demonstrate a 10 cm narrowing in the terminal ileum, with a separation of bowel loops around the terminal ileum. The diagnosis is Crohn’s disease.

Based on the documentation, the correct ICD-10-CM code is K50.00 Crohn’s disease of the small intestine without complications.

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John Verhovshek

John Verhovshek

John Verhovshek, MA, CPC, is Managing Editor at AAPC. He has covered medical coding and billing, healthcare policy, and the business of medicine since 1999. He is an alumnus of York College of Pennsylvania and Clemson University, and a member of the Asheville-Hendersonville AAPC Local Chapter.
John Verhovshek

About Has 402 Posts

John Verhovshek, MA, CPC, is Managing Editor at AAPC. He has covered medical coding and billing, healthcare policy, and the business of medicine since 1999. He is an alumnus of York College of Pennsylvania and Clemson University, and a member of the Asheville-Hendersonville AAPC Local Chapter.

3 Responses to “ICD-10 Coding Tip: Crohn’s Disease”

  1. Deb Walters says:

    Thank you, this was good info.

  2. Mary says:

    Why wouldn’t it be K50.90? The example doesn’t specify that it is the small intestine.

  3. Jana Marschke says:

    Terminal ileum-K50.00

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