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What causes high RDW?

Updated: 9/15/2023
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10y ago

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It means there is variation in the size of red blood cells- some are smaller, some are bigger. It could be due to many things, and this alone does not indicate any particular condition.

If you have this data in front of you from a CBC and so does your doctor, you should ask him/her if there is any concern. Most blood test code your results with critical markers on the paper to get the attention of whomever your paperwork is being viewed by but you can never leave it to chance they will see it - or in most cases the doctor is already working your blood scores into his diagnosis silently.

There is no one single answer for blood results but if you haven't lost blood in any way recently (i.e. donated blood, menstruation, bad cut) and you have a high RDW, your body is making possibly too many immature cells too fast and that most definitely needs further investigated.

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what does high RDW in hematology test refer to?

what does high RDW in hematology test refer to?


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Recently had a blood test and was advices my rdw rbc auto rto was high 15.2 mean?

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