What is the difference between Cigna PPO and HDHP?

What is the difference between Cigna PPO and HDHP?

With an HDHP, you will pay less money each month for premiums, but you will pay more out-of-pocket for medical expenses before your insurance begins to pay for care. A preferred provider organization (PPO) is a plan type with lower deductibles but higher monthly premiums.

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