I recently had an MMA urine test done via Medichecks and the results came back 'normal'. I no that that word is sometimes a bit hazy so just wanted to know what you kind folks thought about the following results:
Neither of the tests, MMA or creatinine, require ranges. They use a sensible testing technique that give absolute values, unlike the biologupy-based tests for B12, etc.
The important range is the MMA/creatinine ratio which should be less that 3.76 mg/g. Your result is quite a way below that upper limit, so it looks like you don't have a B12 deficiency.
They use the ratio when testing a one-off sample rather than a 24 hr sample. As we all know urine can vary in concentration. The creatinine level compensates for any such variation.
In Sally Pacholok's and JJ. Stuart's book "Could it Be B12" they mention in Chapter 1, patients with severe B12 deficiency with low b12 and normal MMA.
My personal experience was that I was highly symptomatic for B12 deficiency, majority of tests were normal range and I responded significantly when I got B12, some of my neuro symptoms disappeared so my personal view is that none of the tests for B12 deficiency are infallible.
Thanks for your comments guys. I'll discuss this all with my doctor when I go in to talk about my latest thyroid results which are also all 'normal' but not good.
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