L&I covers outpatient drugs prescribed to treat industrial injuries or disease. Coverage is based on evidence of drug safety, efficacy and cost. Most drugs that are commonly used for work-related injuries are included on the formulary. Pharmacies can submit drug bills electronically using L&I’s point-of-sale billing system. For general prescription coverage and billing questions, refer to the resources below or call the Preferred Drug List Hotline at 888-443-6798 or 360-902-4321 Monday – Friday, 8 am to 5 pm.