When I purchase the tests, how long is the Requisition good for? Seth Aten April 15, 2025 21:00 Updated Your Requisition will expire 1 year from the date the order was placed. Related articles Can I make changes to my order after making the purchase? When I pay for tests on Grassroots Labs, do I pay at the testing site as well? Do I use my doctor's order to purchase labs on Grassroots Labs? How do I find the Requisition? Can I order labs for my children?