
VI. Warnings and Precautions
A. Precautions:
1. Examine tubes prior to use. Do not use tubes if foreign matter is present inside the tube.
2. Since this PAXgene Blood ccfDNA Tube contains a liquid additive, precautions should be taken to prevent possible
backow from the tube during blood draw (see Section III.C. Prevention of Backow).
3. Do not shake vigorously since this may cause hemolysis.
4. If tubes are not mixed 8 times immediately after collection, clotting of blood or brin formation may occur. This may also
reduce effectiveness of blood stabilization that requires mixing with the additive immediately upon collection for best
performance.
5. Remove BD Hemogard closures with a twist and pull motion. Removal by rolling with the thumb is not recommended
(for detailed instructions see Section VIII. Removal of BD Hemogard Closure).
6. After venipuncture, the top of the stopper may contain residual blood. Take proper precautions when handling tubes to
avoid contact with this blood.
7. Under-lling of PAXgene Blood ccfDNA Tubes will result in an incorrect blood-to-additive ratio and may lead to incorrect
analytical results or poor product performance.
8. Endotoxin is not controlled. Blood and blood components collected and processed in the tube are not intended for
infusion or introduction into the human body.
B. Warnings:
1. The liquid additive in this tube is a mild irritant and may cause irritation to the eyes and skin upon direct contact:
• After skin contact, wash skin with soap and water. Get medical attention if irritation persists after washing.
• After eye contact, ush eyes with water as a precaution. If irritation occurs, get medical assistance.
• After swallowing, rinse mouth. Get medical attention if any discomfort occurs.
2. Practice universal precautions. Use gloves, gowns, eye protection, other personal protective equipment, and engineering
controls to protect from blood splatter, blood leakage, and potential exposure to blood borne pathogens.
3. Handle all blood samples and blood collection devices (needles, luer adapters, and blood collection sets) according to
the policies and procedures of your facility. Obtain appropriate medical attention in the event of any blood exposure
(for example, through a needlestick injury), since there is a risk of transmission of viral hepatitis, HIV, or other infectious
diseases. Utilize any built-in needle protector after blood collection if the blood collection device provides one.
PreAnalytiX does not recommend re-shielding used needles; however, the policies and procedures of your facility may
differ and must always be followed.
4. A blood collection set must be used with the PAXgene Blood ccfDNA Tube (see Section XI. Ordering Information).
5. Excessive centrifugation speed (over 10,000 x g) may cause PAXgene Blood ccfDNA Tube breakage, exposure to blood and
possible injury.
6. Transferring a blood sample from a syringe with a needle into the PAXgene Blood ccfDNA Tube is not recommended due
to the increased risk for both needlestick injury and incorrect blood-to-additive ratio.
7. If blood is collected from an intravenous (I.V.) line, ensure that line has been cleared of I.V. solution before beginning to
ll blood collection tubes. This is critical to avoid erroneous laboratory test results due to I.V. uid contamination.
8. After use, discard all blood collection tubes and accessories in biohazard containers approved for their disposal.
9. Do not re-use the PAXgene Blood ccfDNA Tubes.
10. Do not use the PAXgene Blood ccfDNA Tubes after the expiration date printed on the tube label.
VII. Storage
Store the unused PAXgene Blood ccfDNA Tubes at 4–25°C. Brief temperature excursions from −10°C to 50°C are permitted.
The PAXgene Blood ccfDNA Tube additive may have a slightly yellow appearance; this does not affect the performance of the
additive. Do not use tubes after their expiration date
VIII. Removal of BD Hemogard Closure
1. Grasp the PAXgene Blood ccfDNA Tube with one hand, placing the
thumb under the BD Hemogard closure. (For added stability, place
arm on solid surface). With the other hand, twist the BD Hemogard
closure while simultaneously pushing up with the thumb of the
other hand ONLY UNTIL THE TUBE STOPPER IS LOOSENED.
2. Move thumb away before lifting closure. DO NOT use thumb to push
closure off tube. If the tube contains blood, an exposure hazard exists.
3. Lift closure off tube. In the unlikely event of the plastic shield separating from the rubber stopper, DO NOT REASSEMBLE
CLOSURE. Carefully remove rubber stopper from tube.
(Continued)EN – English 6