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Pernicious Anaemia Society
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I've recently posted my experience with the attitude of my GP regarding my private bloods. These are the results I received from blue horizon medicals. And my gp has said the b12 test is inaccurate ....

17 Replies

My Gp wouldn't accept my private test results either (153pg) so he did his own and it came back as 314. (Double the private one and they were days apart with no supplimenting).

Figure that one.

Based on that they refused to accept I had a deficiency.

I started to suppliment after his test before the results came back.

Big mistake.........


It's so frustrating isn't it, I had my results back on Friday from private bloods and had my NHS bloods done today and I've also not ever had any supplements so will see what they say probably come up with a random number and say I don't have a deficiency

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Ask for a printed copy of your NHS results, some GP's say everything is normal when it isn't.


Ok I will do thank you! Will they give me one?


You are entitled to have a print out. The receptionist may say they have to ask the doctor first. 'You say ok I'll wait.'


Brilliant thank you for the advice it's really helpful


Hi Sophie46

You are entitled by law to obtain a copy of your medical tests, so just ask for them each time you have a test and you will be amazed to see how the GPs con their patients... when they inevitably say "It's all NORMAL"... when in fact it is not the case, or the "within range" levels are close to the bottom of range, so hardly good enough for optimal health!

Good luck.


If you have the symptoms you should supplement B12 followed by folic acid/folate.


Thanks but I'm not going to take any supplements until I get a diagnosis like steap has suggested. I don't want to put any hurdles in my way but thank you.


to clarify - treatment for B12 deficiency should ideally start 24-48 hours before starting treatment of folate deficiency. Unless it is clear that the deficiency is dietary, treatment for B12 deficiency will be by intra-muscular injection. Treatment for folate deficiency is tablets taken orally.

I think this is what Dulaigh was referring to


Ok I understand now thank you for explaining :-) fingers crossed I can get it sorted asap


Hi Sophie,

Have you had a look at following sources of B12 info?

I'd recommend reading the whole BSH Cobalamin and Folate Guidelines.

b-s-h.org.uk/guidelines/ click on box that says "Diagnosis of B12 and Folate deficiency" shoudl be on page 3 of listed guidelines.

Link below to flowchart in BSH Cobalamin guidelines.


Makes it clear that patients who are symptomatic for B12 deficiency, with low B12 or a within range result,should have an IFA (Intrinsic Factor Antibody" test and start initial B12 treatment. Some GPs may not be aware of this document.

Are you symptomatic? see links for symptoms lists

pernicious-anaemia-society.... click on Sympotms Checklist



Other b12 info

1) pinned posts on forum

2) PAS (Pernicious Anaemia Society) website


PAS tel no +44 (0)1656 769 717

Martyn hooper's blog


3) B12 Deficiency Info website


Interesting blog on website and lots of B12 info.

4) b12d.org


5) book "What You Need to Know About Pernicious Anaemia and Vitamin B12 Deficiency" by Martyn Hooper. Martyn Hooper is the chair of PAS.

6) book "Could it Be B12" by Sally Pacholok and JJ. Stuart

Very comprehensive book about B12 deficiency.

7) BMJ b12 article


8) BNF (British National Formulary) Chapter 9 Section 1.2


9) UK NEQAS B12 Alert


What to do next?



Link sbout access to medical records



I am not a medic just a perosn who has struggled to get a diagnosis.

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Thank you very much I will look into it all


So I have just received the NHS blood test results from my GP and I got the same old story of they are all normal and that the private bloods from blue horizon medicals are inaccurate 😡 What do I do now? 😔 Feels like a constant battle to get help that I'm entitled too 😔😔


As per my comment above...I've spoken to blue horizon medicals and they are still standing by the results they've given me and suggest treatment via intramuscular injections....would there be any point in paying again for the private bloods? Because I don't know how I can get the injections on NHS prescription if the NHS are telling me everything is normal? Would Appreciate any advice


Do you have a copy of these NHS results (and their ranges and units)? If so pop them up. It may be you are only just in range. Sadly each area has their own ranges, and by the sounds of it the low cut off is a little different between Blue Horizon and your area. :-(

The B12 144pmol/L in your private results above is equivalent to 195ng/L which if you lived in my area would mean you are in range but only just.

1 like

I've just posted pictures cos it's the only way I can get them on here lol


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