C15-C26: Malignant neoplasms of digestive organs
C17: Malignant neoplasm of small intestine
Malignant neoplasms of the small intestine are a group of serious and potentially life-threatening conditions where abnormal cells grow uncontrollably in the lining of the small intestine. These growths, or tumours, can disrupt normal digestion and nutrient absorption. Causes of these cancers are not entirely understood, but factors could include a family history of cancer, certain genetic disorders, or a diet high in red and processed meats. Common symptoms might include abdominal pain, weight loss, and changes in bowel habits, like diarrhea or bloody stools. Over time, if left untreated, these tumours may grow and spread to other parts of the body through the blood or lymphatic system, leading to serious complications. Malignant neoplasms can affect anyone, but are more common in older adults and those with a personal or family history of bowel diseases or cancers.
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.