St. Joseph's/Candler Urgent Care - Bluffton

Yes, you get your results in 20 minutes. No appointments, but you'll want to reserve "your place in line" through the website. They'll let you know when to expect your turn and then text/call when you're up. You don't need to leave your car. Typically about 1-2 hours total time spent there, but you leave with your results.

$160 without insurance

Yes and the people there are very good.