The blue test tube with sodium citrate is intended for the collection of venous blood for its further transportation in order to conduct research on the coagulation properties of blood.
The type of filler, sample volume, batch number, expiration date, sterility mark, mark of compliance with EU standards, mark of compliance with technical regulations are available on the label of each test tube.
It has a field for recording in which you can enter: Name, Type, Date.
A tear-off sticker with a unique number for patient identification, which the doctor sticks to the client's card.