Functional intestinal disorder, unspecified
ICD-10 K59.9 is a billable code used to indicate a diagnosis of functional intestinal disorder, unspecified.
K59.9 refers to a functional intestinal disorder that is unspecified, indicating a condition affecting the gastrointestinal tract without a clear organic cause. Patients may present with symptoms such as abdominal pain, bloating, altered bowel habits, and discomfort, which can significantly impact their quality of life. The anatomy involved primarily includes the intestines, particularly the colon and small intestine, which may exhibit motility issues or hypersensitivity. Disease progression can vary widely among individuals, with some experiencing intermittent symptoms while others may have chronic issues. Diagnostic considerations often involve ruling out other gastrointestinal disorders through a combination of clinical evaluation, imaging studies, and laboratory tests. A thorough patient history and symptom diary can aid in identifying patterns and triggers, although definitive diagnostic tests may not be available for functional disorders. As such, K59.9 is often used when a patient presents with gastrointestinal symptoms that do not fit neatly into other established categories, necessitating a careful approach to diagnosis and management.
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
K59.9 encompasses a range of functional intestinal disorders, including but not limited to functional dyspepsia, functional constipation, and unspecified functional bowel disorders. It is used when the symptoms do not align with other specific diagnoses.
K59.9 should be used when a patient presents with gastrointestinal symptoms that do not meet the criteria for more specific functional disorders or when the exact nature of the disorder is unclear despite thorough evaluation.
Documentation should include a detailed patient history, symptom descriptions, any diagnostic tests performed, and the rationale for concluding that the disorder is functional and unspecified. A symptom diary may also be beneficial.
