Question: What is the procedure of blood collection?

Which are the methods of collection of blood?

Three popular methods of blood collection are:

  • Arterial Sampling.
  • Venipuncture Sampling.
  • Fingerstick Sampling.


What is the material required for blood collection procedure?

Laboratory sample tubes for blood collection (sterile glass or plastic tubes with rubber caps, vacuum- extraction blood tubes, or glass tubes with screw caps). EDTA tubes are preferred.

How do you process blood?


  1. Draw 12 mL of whole blood for each 5 mL of serum or plasma needed. Collect in an appropriate collection tube.
  2. Centrifuge for at least 15 minutes at 2200-2500 RPM.
  3. Pipette the serum or plasma into a clean plastic screw-cap vial and attach the label. Do not transfer red cells to the vial.

What are the 3 main veins to draw blood?

The antecubital area of the arm is usually the first choice for routine venipuncture. This area contains the three vessels primarily used by the phlebotomist to obtain venous blood specimens: the median cubital, the cephalic and the basilic veins.

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What is the first step in routine blood collection?

A phlebotomist must have a professional, courteous, and understanding manner in all contact with all patients. The first step to the collection is to positively identify the patient by two forms of identification; ask the patient to state and spell his/her name and give you his/her birth date.

What is a collection of blood called?

To use the sharing features on this page, please enable JavaScript. Venipuncture is the collection of blood from a vein. It is most often done for laboratory testing.

What is the most important part in blood collection?

Cleaning the venipuncture site is the most important part of the blood collection procedure.

Which vein is used for blood collection?

The median cubital and cephalic veins are preferred for blood sampling, but other arm and hand veins may be used. The cephalic vein is located on the lateral (radial) side of the arm, and the basilic vein is located on the medial (ulnar) side.

What is the purpose of blood collection?

Blood collection is used to obtain blood from donors for various therapeutic purposes.

What is sample processing?

Sample processing is a process done to a sample to prepare it for testing. … This is an important step due to the fact that the sample that was used wasn’t entirely pure. The accuracy of the results depends upon the purity of the sample provided.

What happens to my blood after a blood test?

Once the blood sample is taken, it’s labelled before being collected and transferred to the laboratory. As the samples are passed over, the details are checked and recorded on our computerised lab system which keeps track of them throughout their time in the lab.

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How do I make my veins better for blood draw?

Tips and Tricks for Accessing Problem Veins

  1. Get warm. When the body is warm, blood flow increases, dilating the veins and making them easier to find and stick. …
  2. Use gravity. Increase blood flow to your arm and hand by letting gravity do the work. …
  3. Hydrate. When the body is properly hydrated, veins become more dilated. …
  4. Relax.

How do you know if a needle is in your vein?

Once you think you’re in a vein, pull the plunger back to see if blood comes into the syringe. If so, and the blood is dark red and slow moving, you know that you’ve hit a vein.

How can I make my blood draw easier?

Drink plenty of water before your appointment. When you’re hydrated, your blood volume goes up, and your veins are plumper and easier to access. Eat a healthy meal before you go. Choosing one with plenty of protein and whole-grain carbohydrates may prevent you from feeling light-headed after giving blood.

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