Application and principle of vacuum blood collection

Light blue

Clinical use: blood coagulation test, Pt, TT, coagulation factor test

Type of specimen prepared: plasma

Sample preparation steps: immediately reverse and mix for 8 times after blood collection - centrifugation

Additive: anticoagulant: the ratio of sodium citrate to blood sample is 1:9

Blood collection volume (ML): 1.8ml # 2.7ml

Black

Clinical application: blood cell sedimentation rate test

Type of specimen prepared: whole blood

Sample preparation steps: immediately reverse and mix for 8 times after blood collection -- mix the sample before the experiment

Additive: anticoagulant: the ratio of sodium citrate to blood sample is 1:4

Blood collection volume (ML): 1.6ml # 2.4ml

Grey

Clinical use: blood glucose test

Type of specimen prepared: Serum

Sample preparation steps: immediately reverse and mix for 8 times after blood collection - centrifugation

Additive: anticoagulant: sodium fluoride + potassium oxalate

Blood collection volume (ML): 2ml

Purplish red

Clinical use: PCR test

Type of specimen prepared: Serum

Sample preparation steps: immediately reverse and mix for 5 times after blood collection - stand for 30 minutes - centrifugation

Additive: anticoagulant: k2-edta

Blood collection volume: 3ml

Green long tube

Clinical application: detection of hemorheology

Type of specimen prepared: whole blood

Additive: heparin sodium or heparin lithium

Green

Clinical use: blood lead

Type of specimen prepared: whole blood

Additive: heparin sodium or heparin lithium