What is the blood collection process?

What is the procedure of blood collection?

2.2. 3. Procedure for drawing blood

  1. Assemble equipment. …
  2. Identify and prepare the patient. …
  3. Select the site. …
  4. Perform hand hygiene and put on gloves. …
  5. Disinfect the entry site. …
  6. Take blood. …
  7. Fill the laboratory sample tubes. …
  8. Draw samples in the correct order.

What is the order of blood draw?

This is known as the Order of Draw.

  • Blood Culture Tubes or Vials.
  • Coagulation Tubes (Blue-Top Tubes)
  • Serum Tubes without Clot Activator or Gel (Red-Top tubes)
  • Serum Tubes with Clot Activator or Gel (Gold or Tiger Top Tubes)
  • Heparin Tubes (Green-Top Tubes)
  • EDTA Tubes (Lavender-Top Tubes)

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.

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What is the purpose of blood collection?

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

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.

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.

Why is the order of collection so important?

The order of draw is recommended for both glass and plastic venous collections tubes when drawing multiple specimens for medical laboratory testing during a single venipuncture. The purpose is to avoid possible test result error due to additive carryover. All additive tubes should be filled to their stated volumes.

Which blood culture do you draw first?

When drawing multiple blood samples from a line, always draw the blood culture first. Do not discard any blood from the line. Use this initial blood in the line, as this may be the best source if an organism is present.

How do you remember the order of phlebotomy?

For these reasons we have the order of draw. Some phlebotomist use a mnemonic to help them remember. Blog Market Lab shared some very humorous mnemonics, such as “Studious Boy’s Rarely Get Low Grades” referring to Sterile, Blue, Green, Lavender and Grey.

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How many types of blood collections are there?

Three popular methods of blood collection are: Arterial Sampling. Venipuncture Sampling. Fingerstick Sampling.

What are the types of specimen collection?

The types of biological samples accepted in most clinical laboratories are: serum samples, virology swab samples, biopsy and necropsy tissue, cerebrospinal fluid, whole blood for PCR, and urine samples. These are collected in specific containers for successful processing in the laboratory.

Which site should you avoid for venipuncture?


Certain areas are to be avoided when choosing a site: Extensive scars from burns and surgery – it is difficult to puncture the scar tissue and obtain a specimen. The upper extremity on the side of a previous mastectomy – test results may be affected because of lymphedema.

What is the most important part in blood collection?

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

What happens if blood culture is positive?

If the blood culture is positive, this means you have a bacterial or yeast infection in your blood. The results usually help your doctor identify the specific bacteria or fungi that’s causing the infection.

What does a blood culture test show?

A blood culture is done to: Find a bacterial infection that has spread into the blood, such as meningitis, osteomyelitis, pneumonia, a kidney infection, or sepsis. A culture can also show what type of bacteria is causing the infection. Find a fungal infection, such as yeast, in the blood.

Cardiac cycle