Small intestinal bacterial overgrowth, unspecified
ICD-10 K63.8219 is a billable code used to indicate a diagnosis of small intestinal bacterial overgrowth, unspecified.
Small intestinal bacterial overgrowth (SIBO) is a condition characterized by an abnormal increase in the overall bacterial population in the small intestine, which can lead to various gastrointestinal symptoms. Clinically, patients may present with bloating, diarrhea, abdominal pain, and malabsorption, which can result in nutritional deficiencies. The anatomy involved primarily includes the small intestine, where the overgrowth disrupts normal digestion and absorption processes. Disease progression can vary; if left untreated, SIBO may lead to chronic gastrointestinal issues and complications such as weight loss and vitamin deficiencies. Diagnostic considerations include breath tests (such as hydrogen and methane breath tests), stool tests, and sometimes endoscopy with aspirate culture to confirm the presence of excessive bacteria. It is essential to differentiate SIBO from other gastrointestinal disorders, such as irritable bowel syndrome (IBS) and celiac disease, to ensure appropriate management and treatment.
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
Standard ICD-10-CM documentation requirements apply
Various clinical presentations within this specialty area
Follow specialty-specific billing guidelines
K63.8219 covers small intestinal bacterial overgrowth that is not specified as being due to a particular underlying condition. It is important to note that SIBO can be secondary to conditions such as diabetes, scleroderma, or anatomical abnormalities, but this code is used when those specifics are not documented.
K63.8219 should be used when the diagnosis of small intestinal bacterial overgrowth is confirmed but not linked to any specific underlying condition. If the overgrowth is due to a known cause, a more specific code should be selected.
Documentation should include a detailed patient history, clinical symptoms, results from diagnostic tests (such as breath tests), and any treatment plans. Clear evidence of the diagnosis and rationale for the use of this code is essential.
