Additives In Blood Draw Tubes. The aerobic bottle should also be drawn first to prevent air contamination in the anaerobic bottle if you are using a butterfly needle. Capjet use method for infants.
Blood culture tube or bottle. Additionally some tubes contain additives that preserve certain components of or substances within the blood such as glucose. Additives are added to the vacutainer tubes to preserve the specimen for laboratory analysis.
Color Varies Blood Cultures.
Tubes with light blue stoppersshields contain two additives. Color Varies Blood Cultures. Blood samples must be drawn by phlebotomists in a specific order to avoid cross-contamination of the sample by additives found in different collection tubes. Tripotassium ethylenediaminetetraacetate K3 EDTA dipotassium ethylenediaminetetraacetate K2 EDTA sodium citrate and heparin are examples of commonly used anticoagulants.
