K90.9

Clinical Causes: Celiac disease: an immune reaction to gluten causing damage to the small intestine Lactose intolerance: deficiency of the enzyme lactase leading to difficulty digesting lactose Chronic pancreatitis: inflammation of the pancreas affecting enzyme production necessary for digestion Infections: parasitic infections like Giardia lamblia that interfere with absorption Crohn's disease: an inflammatory bowel disease that damages the intestinal lining Surgical removal of parts of the small intestine: reducing the absorptive surface area Certain medications: drugs that damage the intestinal lining or interfere with digestion Tumors: growths within the intestine that hinder normal absorption Other gastrointestinal disorders: conditions like tropical sprue or rare genetic disorders.

Key Symptoms: Steatorrhea (fatty, foul-smelling stools) Chronic diarrhea Unintentional weight loss Chronic fatigue Bloating and abdominal discomfort Nutritional deficiencies leading to symptoms like anemia, osteoporosis, or muscle weakness Signs of vitamin and mineral deficiencies such as skin issues or neurological symptoms Growth delays in children, if applicable

Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation, laboratory testing, and imaging studies. Tests may include stool studies to detect fat malabsorption, blood tests to identify deficiencies of vitamins and minerals, and serologic tests for specific conditions like celiac disease. Additional procedures like endoscopy with biopsies or Small Intestine Biopsy can help confirm the diagnosis of underlying causes. Healthcare providers may also perform imaging studies to assess structural abnormalities or diseases affecting nutrient absorption.

Treatment Protocols: Management of intestinal malabsorption depends on its underlying cause. General approaches include dietary modifications, nutritional supplementation, and addressing specific health issues. For example: - A gluten-free diet for celiac disease - Lactose avoidance for lactose intolerance - Pancreatic enzyme replacement therapy for pancreatic insufficiency - Treating infections with appropriate medications - Managing inflammatory bowel disease with medications as prescribed Additional nutritional support may involve vitamin and mineral supplements to correct deficiencies. Regular follow-up with healthcare providers ensures appropriate management and adjustment of treatment strategies to improve nutrient absorption and overall health.