Hello, this is Dr. David. I have read your question and I'm ready to help.
"The clinical measurement of total hemoglobin has inherent variability. CO-Oximeter and point-of-care (POC) devices that are commonly used to measure hemoglobin have been shown to vary up to ±1.2 and ±1.3 g/dL"
so you can have more than 1gm/dL of variability
you can read more here.
let me know if you have questions.
That's quite a bit of variability!
yes, that is quite a bit of variability.
there is less variability with specific blood testing drawn from your veins.
but during the day, there can be more hydration which can drop hemoglobin levels or dehydration which can increase hemoglobin levels and other factors as well.
That explains why my hemoglobin is higher in the morning. My hemoglobin has been varying between 90 and 104g/L
yes, that is about a gram of variation.
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That helps a lot . Thank you.
you are welcome
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