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  2. Template:Table of blood sampling tubes - Wikipedia

    en.wikipedia.org/wiki/Template:Table_of_blood...

    Tube cap color or type in order of draw Additive Usage and comments Blood culture bottle: Sodium polyanethol sulfonate (anticoagulant) and growth media for microorganisms: Usually drawn first for minimal risk of contamination. [1] Two bottles are typically collected in one blood draw; one for aerobic organisms and one for anaerobic organisms ...

  3. Folate deficiency - Wikipedia

    en.wikipedia.org/wiki/Folate_deficiency

    A serum folate level of less than 7 nmol/L (3 μg/L) is indicative of folate deficiency; Red blood cell folate testing is not routinely performed, since serum folate is sufficient in most cases, however, if there is a strong suspicion of folate deficiency despite a normal serum folate level, a red cell folate test may be performed.

  4. Folate - Wikipedia

    en.wikipedia.org/wiki/Folate

    Folate deficiency may lead to glossitis, diarrhea, depression, confusion, anemia, and fetal neural tube and brain defects. [98] Other symptoms include fatigue, gray hair, mouth sores, poor growth, and swollen tongue. [111] Folate deficiency is diagnosed by analyzing a complete blood count (CBC) and plasma vitamin B 12 and folate levels.

  5. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    Diagnosing Vitamin B12 Deficiency and Cancer [38] If cancer is suspected as the cause of vitamin B12 deficiency, several diagnostic steps are necessary: Blood tests: A blood test can measure vitamin B12 levels, along with other markers such as homocysteine and methylmalonic acid, which may also indicate a deficiency.

  6. Serum-separating tube - Wikipedia

    en.wikipedia.org/wiki/Serum-separating_tube

    The tubes have micronized silica particles which help clot the blood before centrifugation, and a gel at the bottom which separates whole blood cells from serum. [1] Silica nanoparticles induce coagulation through contact activation of coagulation factor XII (Hageman factor). [ 2 ]

  7. Serum vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Serum_vitamin_B12

    Serum vitamin B 12 is a medical laboratory test that measure vitamin B 12 only in the blood binding to both transcobalamins. [1] Most of the time, 80–94% of vitamin B 12 in the blood binds to haptocorrin, while only 6–20% is binds to transcobalamin ll. [2] Only transcobalamin ll is "active" and can be used by the body. [1]

  8. Vacutainer - Wikipedia

    en.wikipedia.org/wiki/Vacutainer

    A range of Vacutainer tubes containing blood. A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen ...

  9. Complete blood count - Wikipedia

    en.wikipedia.org/wiki/Complete_blood_count

    A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood.The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells).