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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 ...
Each tube is topped with a color-coded plastic or rubber cap. Tubes often include additives that mix with the blood when collected, and the color of each tube's plastic cap indicates which additives it contains. Blood collection tubes expire because over time the vacuum is lost and blood will not be drawn into the tube when the needle punctures ...
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 ]
These tubes are commonly sealed with a rubber stopper and often have a specific additive placed in the tube with the stopper color indicating the additive. For example, a blue-top tube is a 5 ml test tube containing sodium citrate as an anticoagulant, used to collect blood for coagulation and glucose-6-phosphate dehydrogenase testing. [ 5 ]
cathode-ray tube capillary refill time central retinal thickness certified respiratory therapist. CRTx: chemoradiotherapy: CS: caesarean section compartment syndrome culture sensitivity Churg–Strauss syndrome: C/S: Caesarean section: C&S: culture and sensitivity (antibiogram) CsA: cyclosporin A CSA: Controlled Substances Act: C-section ...
Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2] For this reason it is essential to use multiple different tests to show all adulterants.
C-peptide: fasting 0.5-2.0 × 10 −9: maximum 4 × 10 −9: C-reactive protein: Plasma protein 6.8-820 × 10 −8: Creatine: Assists muscle cell energy supply male 1.7-5.0 × 10 −6: female 3.5-9.3 × 10 −6: Creatinine: male 0.8-1.5 × 10 −5: female 0.7-1.2 × 10 −5: Cyanide: nonsmokers 4 × 10 −9: smokers 6 × 10 −9: nitroprusside ...
The connecting peptide, or C-peptide, is a short 31-amino-acid polypeptide that connects insulin's A-chain to its B-chain in the proinsulin molecule. In the context of diabetes or hypoglycemia, a measurement of C-peptide blood serum levels can be used to distinguish between different conditions with similar clinical features.