Jak 2 mutation positive

Hi there just had blood test result what I had to go private for as my gp tried to tell me it was secondary but had jak 2 mutation come back as positive

My latest bloods was hb was 18.9 hct0.58 also my white blood cell was 13.51 my platelets was 334

Does this mean with positive test I have p vera

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A great big welcome @djleighp to our forum.
Unfortunately we are not qualified to make a medical diagnosis, that is a question for your GP or consultant.
You do not mention a consultant and if you feel that you would like a referral to one then perhaps you might consider that.
It sounds as if it is a worrying time for you and I find the waiting and not knowing a very anxious time.
Please do let us know how you get on.
The Blood Cancer UK support line is there for you on 0808 2080 888
Really look after yourself and be kind to yourself.

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I’ve been referred now but my gp wouldn’t do the jak 2 test as they was saying it was down to smoking

So I went private and had jak 2 617f test done private came back as positive

I had heart attack in 2020 so I reckon I had Polycythaemia vera (PV) then as was only 47

I’m awaiting a referral don’t know how long that would take



I need to know what questions to ask I know one thing I won’t be having hydroxurea as don’t want that drug

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Hi @djleighp it’s the waiting and not knowing that are so hard aren’t they.
I always try to be pleasantly assertive and ask all my fears, questions and practicalities and ask for clarification as I do not speak medical speak.
I write all my questions down so I feel organised
As for how long your referral will take personally I think that depends on the type of referral and on your hospital and waiting times.
Unfortunately we cannot comment on medical results as they depend on your whole medical history.
I attach some information from the Blood Cancer UK website for you which includes questions you might ask.
Just diagnosed with blood cancer: now what? | Blood Cancer UK
Please do let us know how you get on and look after yourself

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Hi @djleighp

Welcome to our forum and thank you for your post. We are so sorry to hear that you are seemingly having a bit of difficulty with getting a formal diagnosis and that you are worried about Polycythaemia vera (PV).

As Erica mentioned we are unfortunately not able to give direct medical advice, however we would advise you to perhaps make another appointment with your GP and explain what has been found in your private appointment. If a referral has not already been made, you could ask them to refer you to haematology. Questions you might like to ask your GP could be:

  • Do I need further investigations?
  • Will I be referred to haematology?
  • Frequency of monitoring for this?
  • If I have Polycythaemia vera (PV) what is the treatment for this?

Ideally, you would be referred to haematology and they would create an individualised plan for you based on your test results and this would include answers to monitoring and treatment discussions. You can find further questions to ask your GP on the bottom of our page Blood cancer symptoms and signs | Blood Cancer UK. In addition to this, you could find more information on Polycythaemia vera (PV) on our page Polycythaemia vera (PV) | Blood Cancer UK. This includes what Polycythaemia vera (PV) is, tests, prognosis, treatments, looking after yourself with Polycythaemia vera (PV) and living well with Polycythaemia vera (PV).

If you would like to talk things through with one of our support team, please feel free to contact us on 0808 2080 888.

We are open until 7pm today/ on Tuesdays, 10am – 4pm on Mondays, Wednesdays, Thursdays & Fridays and then 10am – 1pm on Saturdays.

Take care and warm wishes,

Emma (Support Services Nurse)

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