US SB3304

Requires Medicare, Medicaid, CHIP, and Federal Employee Health Benefits Program (FEHBP) to cover medically necessary food, vitamins, and amino acids for patients with digestive and inherited metabolic disorders who cannot properly digest or metabolize ordinary food

Defines covered conditions to include inherited metabolic disorders on the Recommended Uniform Screening Panel, malabsorption conditions like short bowel syndrome, food protein allergies, eosinophilic disorders, and inflammatory bowel diseases including Crohn's disease and ulcerative colitis

Coverage includes specially formulated products for oral or tube feeding, low protein modified foods, amino acid preparations, and the medical equipment and supplies needed to administer them, when prescribed by a physician or qualified practitioner

Excludes from coverage general diet foods for disease risk reduction or weight loss, gluten-free foods for celiac disease, and foods marketed for diabetes management

Sets phased implementation: CHIP and FEHBP coverage begins 1 year after enactment, Medicaid coverage in 2 years, and Medicare coverage in 3 years, with exceptions for states requiring legislative action