Please drop samples in the box provided in our reception area before 3.30pm. Please allow 24 hours before phoning for INR results. Unless you have had your INR done via the anticoagulation machine, in which case please phone before 6.30pm on the day of your test. If any other results show you need another visit to the surgery, you will be notified by telephone or letter. If you have not heard from the surgery within 2 weeks, please assume that all results are satisfactory.