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Hematocrit Level

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 shared their experiences with hematocrit target levels for phlebotomy, with most reporting that their doctors aim for 45 or below for... Read more

Members shared their experiences with hematocrit target levels for phlebotomy, with most reporting that their doctors aim for 45 or below for men and 42 or below for women, though some hematologists initially used 45 as the threshold regardless of gender. Several members described seeking second opinions from MPN specialists at centers like Memorial Sloan Kettering and MD Anderson, who often recommended the lower 42 threshold and guided local doctors to adjust treatment plans accordingly. A recurring theme was the importance of self-advocacy, with many members successfully requesting phlebotomies at lower levels after explaining they felt better around 41 to 42 and wanted to proactively reduce their risk of blood clots.

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

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
A myMPNteam Member

Basha Thanks. My Dr. who I am seeing while mine is on a sabbatical, said she is good with keeping it at around 43. I told her I'd like to be pro-active before I run into a blood clot problem. She said was open to that & that level would be satisfactory because it's still in range for a female.

November 7, 2022
A myMPNteam Member

My previous Doc said 45+ was the cutoff. My new Doc at first said 45 but I told her I feel better around 41/42 she said fine .

November 7, 2022

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