How does the service work? Hollie 22 November 2021 14:09 Updated We have 4 different ways of collecting a blood sample. Learn more here about how the service works. Related articles When will I get my results? I want to check my thyroid - what's the best test for me? Can I order a test for someone else? I need help choosing a test How do I activate my kit? Comments 0 comments Article is closed for comments.