Preventive care is a defined category under Internal Revenue Code Section 223(c)(2)(C) that an HDHP may cover pre-deductible without losing its HSA-qualifying status. The IRS's safe harbor, established in Notice 2004-23, covers periodic health evaluations like annual physicals, routine prenatal and well-child care, child and adult immunizations, tobacco-cessation and obesity weight-loss programs, and a defined range of screening services spanning cancer, cardiovascular disease, infectious disease, and mental health. Later guidance extended the safe harbor to any ACA-mandated preventive service, and more recent notices have added specific items—statins, insulin, continuous glucose monitors—for people who are at-risk or already diagnosed. The line that holds across all of it: preventive care never includes anything intended to treat an existing illness, injury, or condition.
A plan that pays for non-preventive services before the deductible is met simply stops qualifying as an HDHP, and every enrollee loses HSA eligibility for that period.
The IRS has continued expanding what an HDHP can cover pre-deductible even outside this safe harbor: as of 2026, HDHPs may offer telehealth benefits without a deductible for certain HHS-published services, per IRS Notice 2026-5, and Direct Primary Care arrangements no longer automatically disqualify HSA eligibility. See: High-Deductible Health Plan (HDHP).
Most preventive services are covered before the deductible applies under IRS safe harbor rules for HDHPs, meaning employees generally pay nothing out of pocket for the covered preventive visit itself.
Coverage removes the cost barrier, not the scheduling, travel, or time-off barrier. Most preventive care gaps come from access friction, not affordability, even though the visit itself carries no deductible cost.
Removing the appointment and travel barrier is what actually closes a gap. A walk-in, no-appointment model lets an employee complete a missed screening or follow-up on a break, rather than deferring it indefinitely. The CareStation also serves as a front door to care, connecting individuals with care earlier and supporting engagement, continuity, and chronic disease management.
Every term here points to the same gap in healthcare access. See how the CareStation closes it.
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