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San Jose, CA
A 40-year-old male asked:

Why is serum glucose more accurate than finger tip glucose, when monitoring readings? how much faith can i put with a home glucometer?

1 doctor answer1 doctor weighed in
Dr. Vahe Yetimyan
General Practice 53 years experience
Plasma: has a higher water content than whole blood, so there is more dissolved glucose in plasma compared with whole blood, and readings are 15 to 20 percent higher.
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Last updated Sep 5, 2014

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