Health Savings Account Important Health Savings Account (HSA) Information: If you have enrolled in an HSA account, learn how to manage your account, access forms, and even download the Optum app through the links below. IRS links:Eligible Medical Expenses – IRS Publication 502IRS Tax Form 8889 InformationOptum Bank Links: Optum Bank WebsiteOptum HSA User GuideMedical Expense Eligibility ToolHelpful Resources:Getting Started With Your HSACommon Questions About HSAsHSA Quick GuideWhat is an HSA?Additional Optum Resources