PhlebotomyQuestion 53 of 100
According to the standard order of draw, which specimen is collected first when a blood culture is ordered along with other tests?
a.Blood culture (sterile) tubes/bottles
b.Light blue (sodium citrate) tube
c.Lavender (EDTA) tube
d.Red (no additive) tube
Explanation
Blood cultures are always drawn first to maintain sterility and prevent contamination that could cause false results. The standard order of draw then proceeds to light blue, then serum tubes, then green, lavender, and gray. Following the correct order prevents additive carryover between tubes.
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