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My daughter's heel prick test showed 10.2 anemic but blood test showed not anemic? Which to rely on?
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Dr. James Ferguson
Pediatrics
In brief: Venous draw
The heal prick test is a quick way to get a sample & can produce reliable results;however, the tech may squeeze enough body serum into the sample to dilute the sample.
A blood test drawn from a vein or artery is much less likely to have a sampling error.

In brief: Venous draw
The heal prick test is a quick way to get a sample & can produce reliable results;however, the tech may squeeze enough body serum into the sample to dilute the sample.
A blood test drawn from a vein or artery is much less likely to have a sampling error.
Dr. James Ferguson
Dr. James Ferguson
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