EDTA K2 Blood Collection Tubes for CBC Test
| Product Name | EDTA Tubes |
| Tube Material | PET/Glass |
| OEM/ODM | Yes |
| Certificate | CE, ISO13485, ISO9001 |
| Usage | Blood Collection |
| Sterile | Irradiation Sterilization |
| Sample | Free |
| Service | The groups we serve: are distributors, import traders, government procurement, Buying Agents, and medical chain stores. We provide one-stop procurement for you to simplify your procurement process |
EDTA K2 Blood Collection Tubes for CBC Test. In clinical laboratory testing, the Complete Blood Count (CBC) is one of the most fundamental and important examinations. It provides critical insights into the quantity and condition of blood cells, helping physicians diagnose anemia, infections, inflammation, and hematological disorders. To ensure accuracy and consistency in results, the choice of collection tube plays a vital role. The EDTA K2 blood collection tube is specifically designed to meet this need.
The Scientific Basis of K2 EDTA
EDTA (Ethylenediaminetetraacetic acid) is a highly effective chelating agent that binds calcium ions, thereby preventing the coagulation process. Compared to K3 EDTA, K2 EDTA has lower osmotic effects and causes less interference with red blood cell volume (MCV), making it more suitable for hematology testing.
With K2 EDTA uniformly sprayed on the inner wall of the tube, blood samples are anticoagulated quickly after collection, providing optimal conditions for CBC analysis.
The Use of Different Vacuum EDTA Tubes
| Volume/ml | Size/mm | Additive | Separator | Material | Cap Color | Closure |
| 2ml | 13X75 | EDTA K2 / EDTA K3 | / | PET/GLASS | Purple Cap Tube | Safety Cap+Rubber or Rubber Stopper |
| 3ml | 13X75 | EDTA K2 / EDTA K3 | / | |||
| 4ml | 13X75 | EDTA K2 / EDTA K3 | / | |||
| 5ml | 13X75 | EDTA K2 / EDTA K3 | / | |||
| 6ml | 13X100 | EDTA K2 / EDTA K3 | / | |||
| 7ml | 13X100 | EDTA K2 / EDTA K3 | / | |||
| 8ml | 16X100 | EDTA K2 / EDTA K3 | / | |||
| 9ml | 16X100 | EDTA K2 / EDTA K3 | / | |||
| 10ml | 16X100 | EDTA K2 / EDTA K3 | / | |||
| If You Need a Customized customized Blood collection tube, Please Contact Us | ||||||
More Than Just a “Tube”: Key Features
Material Options: Made from PET plastic or high-transparency glass to ensure safety and prevent breakage.
Anticoagulant Coating: Uniform K2 EDTA spray coating on the tube wall ensures rapid and stable anticoagulation.
Standardized Color Code: Lavender (purple) cap, in compliance with international standards for hematology tubes.
Sterile and Single-Use: Each tube is sterilized and designed for single use, minimizing the risk of cross-contamination.
Advantages in Clinical Testing
Preserving the morphology of blood cells is critical for CBC results. EDTA K2 tubes maintain the integrity of red blood cells, white blood cells, and platelets, minimizing analytical errors caused by inappropriate anticoagulants. This stability has been widely validated, especially in platelet counts and leukocyte differentials.
Applications: Beyond CBC
While primarily intended for complete blood counts, EDTA K2 blood collection tubes are also applicable in other fields, including:
Immunohematology testing, such as ABO blood grouping and Rh typing
Hemoglobin A1c (HbA1c) determination
Certain molecular diagnostics and flow cytometry assays
This versatility highlights the multifunctional role of EDTA K2 tubes.
Professional Tips: Correct Usage Ensures Accurate Results
To achieve optimal performance, laboratory professionals should follow these guidelines:
Gently invert the tube 8–10 times after collection; avoid vigorous shaking
Do not store whole blood samples for extended periods, as cell morphology may change
Always follow laboratory protocols for handling and storage based on test requirements
Want to Learn More About the EDTA Vacuum Blood Collection Tube for HbA1c Test?
If you’re looking for a premium-quality, internationally compliant EDTA tube, we’re here to help. Contact us for samples, technical documentation, or OEM customization, or visit our official website. Let us support your clinical or laboratory needs with precision and reliability.
