How do I take a finger prick sample? Victoria 11 November 2020 17:12 Updated Take a look at our handy guide Related articles What if I can’t fill the finger prick sample tube? I’m worried I won’t be able to provide enough blood for a finger-prick sample Is a finger prick as accurate as a venous blood draw? Why can't all tests be done on a finger-prick sample? I’ve received an email to say my sample has failed. What should I do? Comments 0 comments Article is closed for comments.