The Ultimate Guide For Vacuum Blood Collection Tubes of Different Colors
                     The Ultimate 
Guide For Vacuum 
Blood Collection 
Tubes of Different 
Colors
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Introduction
• Vacuum blood collection tubes are 
widely used in medical settings for 
blood sampling.
• These tubes come in various 
colors, each indicating specific 
additives or anticoagulants.
Importance of Color Coding
• Color coding helps healthcare professionals 
identify the type of blood sample and the 
required tests.
• Prevents cross-contamination and ensures 
accurate results.
Common Tube Colors and 
Additives
• Red: No additive; used for serum tests.
• Lavender/Purple: Contains EDTA for complete 
blood count (CBC) and blood typing.
• Blue: Contains sodium citrate for coagulation 
studies.
• Green: Contains heparin for plasma 
determinations.
Specialized Tubes
• Gold/Yellow: Contains gel separator to separate 
serum from blood cells.
• Gray: Contains sodium fluoride and potassium 
oxalate for glucose testing.
Proper Handling and Storage
• Store tubes upright in a cool, dry place.
• Check expiration dates and integrity of 
vacuum seals.
• Avoid exposure to extreme temperatures or 
direct sunlight.
Benefits of Using Vacuum 
Tubes
• Reduces the risk of contamination and 
infection.
• Ensures precise volumes of blood for tests.
• Streamlines the blood collection process.
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