If MMA is high (out of range) that indicates the B12 is not working in your body.
Most labs do not report results higher than 2000. This has to do with the calibration of the machines.
If you use cyano form, and are a non-methylator, this will build up and test in your serum high, and MMA will be high because cyano does not work biologically. If you took oral forms of B12 for a week before the test it will reflect high also.
B12 can also be high and your MMA high if your transcobalamin is not functioning to carry the B12 to all sites. This failure is still rather new ...and it is still unclear if it can be overridden with consuming higher amounts of B12 in the first place.
This link gives this range for MMA:
http://emedicine.medscape.com/article/2108967-overview
Quote:
Methylmalonic acid (MMA) levels are commonly used to evaluate for vitamin B-12 deficiency.
The reference range of MMA is 0-0.4 µmol/L (0-4.7 µg/dL).
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MICROmol/L
Your test is reporting at a different concentration, so the decimal point moved. This is why getting the ranges clearly is important, because labs vary in how they measure and report.
Looks like you have some type of typo in the range for MMA in this post. Your lab reported in nanomoles not micromoles.
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Weezie looking at petunias 8.25.2017
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