Hematochezia ICD 10: Understanding the Code for Rectal Bleeding

Rectal bleeding, also known as hematochezia, refers to the passage of bright red blood from the rectum. It can be a distressing symptom for individuals and may indicate an underlying medical condition that requires prompt evaluation and treatment. Hematochezia can originate from various sources within the gastrointestinal tract, such as the rectum, colon, or small intestine.

Definition of Hematochezia

Hematochezia is characterized by the presence of fresh blood in the stool. Unlike melena, which refers to the passage of dark, tarry stools due to upper gastrointestinal bleeding, hematochezia presents as bright red blood. The blood is typically mixed with the stool or may be seen on the toilet paper after wiping.

Causes of Hematochezia

There are several potential causes of hematochezia, including:

Gastrointestinal Conditions

Numerous gastrointestinal conditions can lead to rectal bleeding. These include:

  • Colorectal cancer
  • Polyps
  • Inflammatory bowel disease (IBD), such as Crohn’s disease or ulcerative colitis
  • Diverticular disease
  • Gastrointestinal infections

Inflammatory Bowel Disease

Inflammatory bowel disease (IBD) is a chronic condition characterized by inflammation of the digestive tract. Both Crohn’s disease and ulcerative colitis, the two main forms of IBD, can cause rectal bleeding among their various symptoms.

Diverticular Disease

Diverticular disease refers to the presence of small pouches, called diverticula, that form in the colon. When these diverticula become inflamed or infected, they can lead to rectal bleeding.


Hemorrhoids are swollen blood vessels located in the rectum or anus. They can cause rectal bleeding, particularly during bowel movements.

Anal Fissures

Anal fissures are small tears in the lining of the anus, often caused by constipation or trauma during bowel movements. They can result in rectal bleeding.

ICD-10 Code for Hematochezia

In the ICD-10 coding system, hematochezia is categorized under K92.1, which corresponds to “Melena and Hematochezia.” This category includes various codes to specify the underlying cause of the rectal bleeding.

Relevant Code Category

K92.1 is further divided into subcategories to provide more specific information. These subcategories include:

  • K92.11: Melena
  • K92.12: Hematochezia
  • K92.19: Other melena and hematochezia

Specific Codes

The specific codes assigned within the K92.1 category help to identify the cause and severity of the hematochezia. Some examples include:

  • K92.12: Hematochezia associated with other specified diseases of the digestive system
  • K92.19: Other melena and hematochezia not elsewhere classified

Importance of Accurate Coding

Accurate coding of hematochezia is crucial for several reasons. Firstly, it enables healthcare providers to track and monitor the incidence and prevalence of rectal bleeding, aiding in public health research and policy development. Secondly, accurate coding ensures appropriate reimbursement for healthcare services provided. Lastly, precise documentation of the underlying cause of hematochezia helps in providing targeted treatment and management strategies.

Diagnosis and Evaluation

When a patient presents with hematochezia, a thorough evaluation is necessary to determine the underlying cause. The diagnostic process may involve:

  • Medical history review
  • Physical examination
  • Laboratory tests, such as blood tests and stool analysis
  • Imaging studies, like colonoscopy or flexible sigmoidoscopy

The evaluation aims to identify the specific cause of the rectal bleeding, which then guides the appropriate treatment plan.

Treatment Options

The treatment of hematochezia depends on the underlying cause. Some common treatment options include:

Medical Interventions

  • Medications to manage inflammatory bowel disease, such as anti-inflammatory drugs or immunosuppressants
  • Antibiotics for gastrointestinal infections
  • Hemorrhoid creams or suppositories for hemorrhoids
  • Stool softeners or fiber supplements to alleviate constipation

Surgical Interventions

In certain cases, surgical interventions may be necessary to address the cause of hematochezia. These may include:

  • Removal of polyps or tumors
  • Surgical repair of anal fissures
  • Colectomy (surgical removal of part or all of the colon) in severe cases

Prevention and Lifestyle Changes

Preventing hematochezia involves adopting a healthy lifestyle and managing underlying conditions effectively. Some preventive measures include:

  • Maintaining a balanced diet rich in fiber
  • Staying hydrated and drinking an adequate amount of water
  • Regular exercise to promote bowel regularity
  • Avoiding straining during bowel movements
  • Timely management of chronic conditions like IBD or diverticular disease


Is hematochezia always a sign of a serious medical condition?

Hematochezia can have various causes, ranging from mild to severe. While some cases may be benign, it is crucial to consult a healthcare professional to determine the underlying cause and receive appropriate treatment.

Can I treat hemorrhoids causing hematochezia at home?

Mild cases of hemorrhoids can often be managed with home remedies, such as over-the-counter creams, warm sitz baths, and dietary changes. However, it is advisable to consult a healthcare professional for proper evaluation and guidance.

Does rectal bleeding always require a colonoscopy?

The need for a colonoscopy depends on the individual case and the suspected cause of the rectal bleeding. Your healthcare provider will determine the most appropriate diagnostic procedure based on your symptoms and medical history.

Can lifestyle changes help prevent hematochezia?

Adopting a healthy lifestyle, including a balanced diet, regular exercise, and proper hydration, can contribute to overall gastrointestinal health and potentially reduce the risk of hematochezia.

When should I seek immediate medical attention for rectal bleeding?

If you experience severe or persistent rectal bleeding, along with symptoms like dizziness, lightheadedness, or significant abdominal pain, seek immediate medical attention as it may indicate a potentially serious condition.


Hematochezia, or rectal bleeding, can be a distressing symptom that warrants medical attention. Accurate coding of this condition using the appropriate ICD-10 codes is essential for effective management and reimbursement. Understanding the underlying causes, diagnosis, and treatment options can help healthcare professionals provide the best possible care for individuals experiencing hematochezia.

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