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Omar Adwan: Are You Following Proper Phlebotomy Technique?

Omar Adwan/LinkedIn

Jul 4, 2026, 12:34

Omar Adwan: Are You Following Proper Phlebotomy Technique?

Omar Adwan, Medical Laboratory Technologist at Modawah Lab Center, shared a post on LinkedIn:

“Phlebotomy

Definition

Phlebotomy is the process of collecting blood from a vein using a sterile needle for laboratory testing, blood donation, transfusion, or therapeutic purposes.

It is a fundamental procedure performed by trained healthcare professionals to obtain high-quality blood specimens.

Principle

Phlebotomy is based on the safe venipuncture technique, where blood is withdrawn from a suitable vein under aseptic conditions.

Proper patient identification, specimen collection, and handling ensure accurate laboratory results and patient safety.

Objectives

To collect blood samples for laboratory testing.
To ensure patient safety and comfort during blood collection.
To obtain high-quality specimens for accurate test results.
To prevent contamination and specimen errors.
To support diagnosis, treatment, and disease monitoring.

Materials required

Sterile needles or butterfly needles
Vacuum blood collection tubes (Vacutainer)
Tourniquet
Alcohol swabs (70% isopropyl alcohol)
Sterile cotton or gauze
Adhesive bandage
Gloves and PPE
Tube holder (Vacutainer holder)
Sharps disposal container
Specimen labels and laboratory request form

Procedure

Verify the patient’s identity and explain the procedure.
Perform hand hygiene and wear gloves.
Apply the tourniquet 3–4 inches above the venipuncture site.
Select a suitable vein and disinfect the site with an alcohol swab.
Insert the needle into the vein at a 15–30° angle.
Collect blood into the required tubes following the correct order of draw.
Release the tourniquet once blood flow is established.
Remove the needle and apply pressure with sterile gauze.
Label the specimen tubes immediately at the bedside.
Dispose of the needle safely in a sharps container and send the specimen to the laboratory.

Observation

Successful Collection: Blood flows smoothly into the collection tubes without complications.

Unsuccessful Collection: No blood flow, slow flow, hematoma formation, or patient discomfort may indicate improper technique or difficult venous access.

Advantages

Provides high-quality blood specimens for laboratory testing.
Simple, quick, and minimally invasive.
Essential for disease diagnosis and patient monitoring.
Supports blood donation and transfusion services.
Safe when performed using proper techniques and infection control measures.

Limitations

Improper technique may cause hemolysis, hematoma, or infection.
Difficult venous access may require multiple attempts.
Incorrect patient identification or labeling can lead to serious laboratory errors.
Patient anxiety, fainting (vasovagal syncope), or movement may affect specimen collection.
Proper training and adherence to standard precautions are essential for accurate and safe blood collection.

Omar Adwan: Are You Following Proper Phlebotomy Technique?