What is a vacuum blood collection tube?

Vacuum Blood Collection Tube

A vacuum blood collection tube, also known as a Vacutainer, is a sterile, sealed tube used to collect blood samples from patients. It consists of a plastic or glass tube with a stopper at one end and a needle attached to the other end. The stopper typically contains a vacuum that helps draw a specific volume of blood into the tube when the needle punctures the patient’s vein.

Here are some key points about vacuum blood collection tubes:

Function: Vacuum blood collection tubes are used to obtain blood samples for diagnostic purposes, such as laboratory testing, blood typing, or disease screening.

Differences in vacuum blood collection tubes can typically be distinguished based on their design and intended use. Here are some potential distinctions between vacuum blood collection tubes:

Color and Labeling: Different types of vacuum blood collection tubes often utilize distinct color codes and labeling systems to indicate the different additives they contain or their intended use. Common color codes include red (no additive), purple (EDTA), yellow (ACD), blue (citrate), among others.

Additives: Vacuum blood collection tubes may contain various types of additives to preserve blood samples, prevent clotting, or facilitate specific tests. Therefore, differences between vacuum blood collection tubes may lie in the types and purposes of their additives.

Size and Capacity: Vacuum blood collection tubes typically come in different sizes and capacities to accommodate varying blood collection needs. Tubes designed for high-volume collections may be longer or wider than those intended for smaller volumes.

Design and Structure: The design and structure of vacuum blood collection tubes may vary among manufacturers. Some tubes may feature special structures or characteristics, such as spiral mixers to ensure thorough mixing of additives with blood.

Applicability: Different types of vacuum blood collection tubes may be used for distinct types of tests or sampling needs. For instance, some tubes may be designated for hematological tests while others for biochemical tests.

Quality Standards: Variations in quality standards and manufacturing processes of vacuum blood collection tubes can lead to differences in performance during blood collection, sample preservation, and testing.

Red: No additive: Used for serum biochemistry tests, blood bank procedures, and serology tests.

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Purple/Lavender:EDTA (Ethylenediaminetetraacetic acid): Used for hematology tests, such as complete blood count (CBC), blood smears, and blood typing.Please click:https://www.nasalendotracheal.com/sale-39439020-material-sterilized-edta-tube-whole-blood-collection-tube-disposable.html

Light Blue:Sodium citrate: Used for coagulation tests, including prothrombin time (PT), activated partial thromboplastin time (aPTT), and fibrinogen assays.

Green:Heparin: Used for plasma determinations in chemistry, especially for plasma determinations in chemistry and some blood gas determinations.Please click:https://www.nasalendotracheal.com/sale-39439651-disposable-vacuum-blood-collection-system-sterilized-tube-heparin-tube.html

Gray:Potassium oxalate/sodium fluoride: Used for glucose testing to preserve blood sugar levels, as fluoride inhibits glycolysis and oxalate prevents clotting.Please click:https://www.nasalendotracheal.com/sale-39440570-medical-vacuum-blood-collection-system-sterilized-glucose-tube-grey-disposable.html

Yellow:ACD (Acid Citrate Dextrose): Used for blood bank studies and for blood samples that require DNA testing or compatibility testing.

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Dark Blue:Sodium heparin or EDTA: Used for trace element analysis and toxicology tests.
Black:

Sodium citrate: Used for erythrocyte sedimentation rate (ESR) tests.

Tan:K2EDTA (Dipotassium ethylenediaminetetraacetic acid): Used for whole blood hematology determinations.