Can I order the Coronavirus Antibody Blood Test now, and then use this at a later date? Alistair Hall 11 May 2020 17:50 Yes - You have 6 months to use the test from purchase date. Related articles When will the Coronavirus Antibody Blood Test be back in stock? Where is my kit? I want to check my thyroid - what's the best test for me? Will you share my Coronavirus results with Public Health England (PHE)? COVID-19 antibody testing - All of your questions answered Comments 0 comments Article is closed for comments.