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A myMPNteam Member asked a question 💭
Middletown, PA

What cut off level does your Dr. want to keep your hematocrit at before having a phlebotomy? My physician insists it is 45 & no lower. Just curious other oncologist's level for phlebotomies.

October 21, 2022
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Answer Summary

Members discussed hematocrit cutoff levels for phlebotomy, with most sharing that their doctors use 45% as the standard threshold, though many... Read more

Members discussed hematocrit cutoff levels for phlebotomy, with most sharing that their doctors use 45% as the standard threshold, though many noted that MPN specialists often recommend a stricter target of 42% or below. Several members shared that seeking a second opinion from MPN specialists at centers like Memorial Sloan Kettering or MD Anderson led to more proactive treatment plans, including lower hematocrit targets and medication adjustments. A recurring theme was members advocating for themselves by sharing how they feel better at lower levels, with many doctors agreeing to personalize the target range.

A myMPNteam Member

My hematologist said she was ok with going as high as .47 as a woman. I thought about it and I am not. The cutoff I see on my lab results is .45 for a woman. I’ve read that stricter control of hematocrit has better outcomes particularly for high risk patients (I am high risk). I see her in Nov I think so I’ll be asking about that.

September 26
A myMPNteam Member

I originally went to the MPN specialist at MSK for a second opinion. But I read that a lot of people have both a hematologist/oncologist and an MPN specialist. So now I see my hematologist every three months w a blood test or two in between. Then I also see the MPN specialist every four months or so. Where do you live?

October 23, 2022
A myMPNteam Member

My husbands dr says 47 That worries me Id be more comfortable with 45

September 23
A myMPNteam Member

i told my doctor i feel better around 41-42 and they agreed to that number for me …

December 18, 2022
A myMPNteam Member

My onocologist does 45 for men and 42 for women.

December 10, 2022

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