labcorp ondemand is a way to shop and pay for many routine lab tests online. you can pay your invoice directly to labcorp without incurring any payment service fee that might be charged by a bill payer service. Labcorp is not responsible for any fees. payments can be made at our patient service centers, as well as certain doctor’s offices where a labcorp phlebotomist (person who performs blood draws) is on site. how can i make a payment? We accept all major credit cards, and our online payment options include…