The Proper Order of Draw for Multiple Blood Tubes in Phlebotomy Procedures
Summary
- The proper order of draw for multiple blood tubes is crucial in phlebotomy procedures to prevent Cross-Contamination and inaccurate Test Results.
- Following the correct order ensures that the tubes contain the appropriate additives and do not get contaminated with other substances.
- Understanding the sequence of blood collection can help healthcare professionals provide quality care and accurate Test Results for patients.
- Yellow (Sterile): Blood Culture tubes are always drawn first to prevent contamination from other additives in subsequent tubes.
- Light Blue (Sodium Citrate): Used for coagulation testing, these tubes contain an Anticoagulant to prevent blood clotting.
- Red: These tubes do not contain any additives and are used for serum tests.
- Gold or Tiger Top (Serum Separator): These tubes contain a gel separator that helps separate the serum from the blood cells.
- Green (Heparin): Used for a variety of chemistry tests, these tubes contain lithium Heparin as an anticoagulant.
- Lavender (EDTA): These tubes contain EDTA as an Anticoagulant and are used for hematology testing.
- Gray (Sodium Fluoride/Potassium Oxalate): These tubes are used for glucose testing and contain both an Anticoagulant and a preservative.
The Importance of Proper Order of Draw
Phlebotomy is a critical aspect of healthcare, as it involves the collection of blood samples for diagnostic testing. To ensure accurate results, it is important to follow the proper order of draw when collecting multiple blood tubes from a patient. The order of draw refers to the sequence in which blood tubes should be filled during Venipuncture to prevent Cross-Contamination and ensure the accuracy of Test Results.
Correct Sequence of Blood Collection
There are specific guidelines that healthcare professionals must follow when collecting blood samples to maintain the integrity of the samples and avoid any errors in testing. The proper order of draw for multiple blood tubes during phlebotomy procedures in the United States typically follows this sequence:
Importance of Following the Correct Order
Following the proper order of draw is essential to maintain the accuracy of Test Results and prevent any errors in patient care. When blood tubes are filled in the wrong sequence, there is a risk of Cross-Contamination, which can lead to inaccurate Test Results. Additionally, using the wrong order of draw can cause additives from one tube to contaminate the samples in subsequent tubes, affecting the validity of the Test Results.
Healthcare professionals must be knowledgeable about the correct sequence of blood collection to ensure the quality of the blood samples and provide accurate Test Results for patients. By following the proper order of draw, phlebotomists can help maintain the integrity of the blood samples and ensure that patients receive the most accurate diagnostic information.
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