what is the order of a blood draw

Friday, August 5, 2022 Edit

The recommended order of draw is as follows. In the era of lyophilized anticoagulants order of draw is no longer important.

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During syringe collections contamination with K EDTA may rarely occur if order of draw is not followed.

. Blood Draw Order Tube Color Description. Sed Rate Westegren Sed Rate sion Fill tube to line. Citrate Tube Light Blue SST TM Gel Separator Tube Red or Gold or Serum Tube Plastic or Glass - Red PST TM Gel Separator Tube Green or Heparin Tube Sodium or Lithium - Green EDTA Tube Lavender Fluoride Tube Grey.

It is based on the Clinical Laboratory Standards Institute CLSI venipuncture standard. NameAdditive of Inversions. When collecting blood using a syringe and a transfer device is used.

SST Serum Separator Tube 4 5. Third non-additive tube red top Last draw additive tubes in this order. Order of Draw When Using Evacuated Tubes.

This tube is collected when testing for coagulation studies such as Von Willebrand disease most common blood clotting disorder Clotting factors D-dimer to rule out thrombosis Anti factor Xa to monitor patients on high dose low molecular weight heparin Prothrombin time etc. Sodium Fluoride Potassium Oxalate. Blood Cultures Sterile Tubes.

Order of blood draw. One yel-low for pediatrics TB Fungal collect yellow isolator tube PT APTT Coagula-tion Studies green NOTE. Blue If using a butterfly draw a blue waste tube Black top o ESR CBC etc.

Contamination of serum samples with K EDTA will occur routinely if order of draw is not followed. The recommended order of draw for plastic collection tubes is. What is the order of blood collection tubes.

When collecting blood via a capillary collection method heelfinger prick or when using a syringe and siphoning the bloods directly into the tubes the Order of Draw in order is. Blood Gas Syringe EDTA tubes. The draw order for specimen tubes is as follows.

1 Blood cultures yellow SPS sterile 2 Light blue buffered sodium citrate tube 3. First blood culture bottle or tube yellow or yellow-black top Second coagulation tube light blue top. Blood Draw Order Tube Color NameAdittive of Inversions 1 Varies Blood Cultures 8 10 2 Light Blue Sodium Citrate 3 4 3 Red Clot Activator 4 5 4 Gold SST Serum Separator Tube 4 5 5 Light Green Lithium Heparin 8 10 6 Dark Green.

The additive inside the tube stops the blood from clotting. Draw one green and one orange bottle for adults. The phlebotomy order of draw is a specific order blood samples must be drawn in based on the additives in the blood collection tubes.

When collecting diagnostic blood specimens by venipuncture into evacuated tubes the order of draw is b ased on Clinical and Laboratory Standards Institutes CLSI standard H3-A6 from November 2007 as follows. The above order of draw is to be followed. What happens if you draw blood in the wrong order.

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