Enterocolitis ICD-10-CM Codes

Enterocolitis ICD-10-CM Codes

Explore the commonly used ICD-10 codes for Enterocolitis. Learn about their billability, clinical information, and synonyms associated with this condition.

By Emma Hainsworth on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What ICD-10 codes are used for enterocolitis? 

Enterocolitis refers to inflammation of both the small intestine and the colon. It can present in various forms, including infectious, noninfective, drug-induced, allergic, and radiation-induced enterocolitis.

This condition may result from bacterial or viral infections, autoimmune disorders, dietary triggers, or medications, making accurate documentation and coding essential in clinical practice.

Here are common enterocolitis ICD-10 codes, along with their clinical descriptions:

K52.2 - Allergic and dietetic gastroenteritis and colitis

This code is applicable when the inflammation in the digestive tract results from an allergic reaction or dietary causes. Symptoms typically include abdominal pain, diarrhea, and vomiting.

K52.3 - Indeterminate colitis

The term 'indeterminate colitis' is used when it is unclear whether the inflammation is due to Crohn's disease or ulcerative colitis. Patients might present symptoms such as weight loss, fatigue, and persistent diarrhea.

K52.81 - Eosinophilic gastritis or enteritis

This code refers to an uncommon and often misdiagnosed type of gastrointestinal disorder characterized by the presence of high numbers of eosinophils, a type of white blood cell, in the stomach and/or small intestine. Symptoms can range from nausea, vomiting, and abdominal pain to malabsorption and protein-losing enteropathy.

K52.82 - Eosinophilic colitis

Similar to K52.81, this code is used when the large intestine is affected. Eosinophilic colitis is the least common form of eosinophilic gastrointestinal disorder but presents similar symptoms.

K52.89 - Other specified noninfective gastroenteritis and colitis

This code is utilized for conditions that do not fit other specific codes but are still non-infective. Conditions like microscopic colitis would fall under this category.

K52.9 - Noninfective gastroenteritis and colitis, unspecified

This code is a catch-all for cases where the specific cause of the inflammation is unknown. It is used when the healthcare provider does not specify the noninfective gastroenteritis or colitis type.

These codes are crucial tools for healthcare professionals, enabling them to accurately document patient conditions, streamline the billing process, and ensure compliance with healthcare regulations.

Which enterocolitis ICD codes are billable?

All the listed Enterocolitis ICD-10-CM codes above are billable ICD-10 codes except K52.2. These codes can be used in HIPAA-covered transactions for documenting noninfective enteritis and colitis, noninfective gastroenteritis, allergic and dietetic gastroenteritis, and colitis unspecified, allowing healthcare providers to submit valid claims for services related to these digestive system disorders.

Clinical information

Enterocolitis is a serious health condition involving inflammation of the small intestine (entero-) and the colon (colitis). This dual inflammation can lead to a myriad of symptoms that can severely impact a patient's quality of life and overall digestive system health.

Key information:

  • The symptoms of enterocolitis can vary widely depending on the severity of the condition. Common symptoms include persistent diarrhea, abdominal pain, cramping, urgency to defecate, bloody stools, fever, weight loss, and fatigue. In some cases, chronic diarrhea and noninfective gastroenteritis may also develop.
  • Various factors can cause enterocolitis like bacterial infections (such as Clostridium difficile or Salmonella), viral infections (like rotavirus), autoimmune diseases (Crohn's disease, ulcerative colitis), food allergies, radiation therapy, and certain medications, including those that may lead to drug induced gastroenteritis.
  • Healthcare providers diagnose enterocolitis through a comprehensive approach, including medical history review, physical examination, blood and stool tests, and imaging techniques like CT scans, MRI, and endoscopic procedures (colonoscopy, sigmoidoscopy). These are essential for identifying forms like microscopic colitis or eosinophilic colitis.
  • Treatment for enterocolitis is multifaceted, focusing on symptom relief, addressing the underlying cause, and preventing complications. Approaches may include rehydration therapies, antibiotics for bacterial infections, immunosuppressants for autoimmune cases, pain relievers, dietary changes, and probiotics to restore gut flora balance.
  • In severe cases of complications like perforation, abscess, or severe bleeding, hospitalization or surgical intervention may be required. This can be seen in acute cases such as acute reversible ischemia or acute infarction of the bowel. The course of enterocolitis can be quite variable, with some individuals experiencing mild, short-lived episodes while others may endure severe, chronic symptoms necessitating long-term management.
  • Regular monitoring and follow-up care are pivotal in effectively managing enterocolitis, ensuring adjustments to treatment plans based on disease progression, and checking for the onset of potential complications.

Remember, while this information provides a more comprehensive understanding, each case of enterocolitis is unique and should be managed under the guidance of a healthcare professional.

Synonyms include

  • Gastroenteritis
  • Colitis
  • Inflammatory bowel disease (IBD)
  • Irritable bowel syndrome (IBS)
  • Enteritis
  • Intestinal inflammation
  • Functional diarrhea
  • Infectious gastroenteritis
  • Psychogenic diarrhea

Commonly asked questions

Use the Enterocolitis ICD code when documenting or billing for a patient diagnosed with enterocolitis. It represents this specific medical condition in records and claims.

Common treatments include symptom relief, addressing the underlying cause, rehydration therapies, antibiotics (for bacterial infections), immunosuppressants (for autoimmune cases), pain relievers, dietary modifications, and probiotics.

A diagnosis code for Enterocolitis is an alphanumeric code used to represent the diagnosis of enterocolitis. It standardizes communication and categorization of this medical condition for healthcare providers, insurance companies, and researchers.

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