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Why glucometer readings are different than lab reports in blood sugar tests? My glucometer reading 126 after 1 hour breakfast but lab reading is 101. Which reading is precise and correct.
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Lab results are best. Pl have Hba1c test done and consult.
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Get venous glucose.
HbA1c done and have a follow-up
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Hi, glucometer readings are usually taken from capillary blood (fingertip), whereas lab tests use venous blood. Due to this, glucometer readings can vary by 10–15% compared to lab results. Other factors like device calibration, user technique, and food timing also affect accuracy. The lab result is generally more precise, but glucometer readings are useful for regular home monitoring.
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