A Health Savings Account is a plan that an individual purchases to safeguard against future and current expenses for medical care. A HDHP plan is a High Deductible Health Plan and an HSA is often used in conjunction with that type of health coverage. An HDHP plan is one that doesn’t cover medical expenses for the first dollar unless it is for preventive care. It can be an indemnity, PPO or HMO plan as long as the requirements are met. On December 8th, 2003, President Bush signed the HSA plan ...