The Doctorcall Thyroid Hormone Home Testing Kit - also known as aTF (FT4/TSH) test - is the recommended test for people concerned about Thyroid abnormalities. Thyroid abnormalities are insidious and can be harmful. Because the onset tends to be gradual, sufferers often have vague symptoms only. We test both the free T4 (thyroxine) in your blood stream and also the precursor hormone, TSH (thyroid stimulating hormone) as an additional check. How does this home testing kit work? No invasive sampling techniques are necessary. We offer a completely confidential service and the test can be performed in the privacy of your home. Everything you need to collect a sample is included: Easy to follow instructions Sample tube Test order form Small seal-able plastic bag Postage-paid return envelope Using the easy to follow guide provided in the box, complete the form and take the sample as instructed, pop it all into the postage-paid envelope and place it into your nearest post box. Your results will be with you within 7 days. Who is this home testing kit for? For both men and women - anyone concerned about Thyoid abnormalities. How discrete is your home testing service? This home testing kit, provided by Doctorcall, offers a discreet and private way to get tested. The home testing kit is delivered in a discrete unmarked packet delivered by Royal Mail to the address of your choice. Your results are given to you and you alone and we will always ask for verification to ensure its you who we are talking to. What if I get a positive result? If you're concerned about your results or have a question we can arrange for you to attend our clinic and see a private doctor or you can take your results to your GP.