There are 9 types of blood collection tubes, which are distinguished according to the color of the lid
1. Inert separation of the golden cap of the gelatinizing tube
Inert separation glue and coagulant are added into the blood collection tube.
2. Sodium citrate blood sedimentation test tube black cap
This is a special test tube for erythrocyte sedimentation rate
3. Sodium citrate coagulation test tube light blue cap
Sodium citrate ACTS as an anticoagulant by chelating calcium ions in blood samples.
4. Green heparin anticoagulant tube cap
Heparin is added to the blood collection tube.Heparin directly ACTS as an antithrombin,
5. Plasma separation tube light green cap
Used for emergency treatment and most biochemical tests, such as liver function, kidney function, blood lipid, blood glucose, etc.
6. Potassium oxalate/sodium fluoride gray cap
Recommended for blood sugar testing.
7. Purple head cover of EDTA anticoagulation tube
Suitable for general hematology test, it is the first choice for blood routine, hemoglobin a1c, blood type test.
8. Red cap of normal serum tube
No additive, no anticoagulant, no procoagulant, only vacuum.Used for routine serum biochemistry, blood bank and serological examination
9. Quick serum tube orange cranium
There are coagulants in the blood collection tube to accelerate the coagulation process.