Why do some blood test take longer to result then others?

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I just got lab work done CBC, CMP, testosterone and estradiol. My CBC/CMP came back next day. The testosterone and estradiol haven’t results and could take 10 days. What makes it take longer to run hormones?

In: Biology

4 Answers

Anonymous 0 Comments

I have lab experience.  At my last lab job, we had tests that, from the time the sample showed up, we could have it resulted out within 15-20 minutes.  Almost never happened, because it makes more sense to wait for multiple samples and because personnel and equipment.  Another test we did there required hours of prep just to actually run it on a cytometer and then it’s needs to be resulted out (and checked by another person).  My current lab, a sample won’t be run until a few days after it arrives to our facility and the preparation process itself takes several days.  Usually 5-7 days total. 

Depends on shipping/location, personnel, equipment (amount of, out of service instruments, etc.), and type of test.

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