Blood Collection Tube 3mL with EDTA 100 Pcs
Description:
- Size: 3mL indicates the volume of blood the tube can hold.
- Additive: EDTA is a chelating agent that binds to calcium ions in the blood, preventing the coagulation cascade. This keeps the blood in a liquid state. The "100 Pcs" indicates you receive 100 individual tubes in the package.
- Material: Typically made of glass or plastic. Plastic is becoming more common due to its durability and reduced risk of breakage.
- Closure: The tube has a color-coded stopper (usually purple or lavender for EDTA tubes) made of rubber or a similar material. This stopper maintains the vacuum inside the tube and can be punctured by a needle during blood collection.
- Sterility: Blood collection tubes are sterile to prevent contamination of the blood sample.
- Vacuum: The tubes contain a vacuum, which automatically draws the required amount of blood during venipuncture. This ensures accurate sample volumes.
Uses:
EDTA tubes are primarily used for hematology tests, which examine the cellular components of blood. Common tests include:
- Complete Blood Count (CBC): This is a comprehensive test that evaluates red blood cells, white blood cells, and platelets. EDTA is crucial here because it preserves the cellular morphology and prevents clotting, ensuring accurate cell counts and differentials.
- Blood Smear Preparation: For microscopic examination of blood cells. EDTA helps maintain the cells' shape and prevents clumping.
- Hemoglobin A1c (HbA1c) Test: Used for monitoring long-term blood glucose control in people with diabetes. EDTA preserves the integrity of the hemoglobin.
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