Methylmalonic acid test kit Buy this test online! Contact Us 1-800-539-6119 Sep 4, 2023 ยท Learn about the Methylmalonic Acid (MMA) Test, a diagnostic tool used to detect vitamin B12 deficiency and other conditions related to elevated levels of MMA in the blood. Test Principle. E4205Hu Standard Curve Range: 0. com The MMD protein is described to be 238 amino acid residues in length and 27. It’s more sensitive than a standard B12 test, making it useful if you have symptoms like fatigue, tingling in the hands and feet, or brain fog but normal or borderline B12 levels. Instead, doctors sometimes use it to follow up on people with normal B12 levels but with symptoms of vitamin B12 deficiency. Providers use blood tests to check for B12 deficiencies and urine tests to monitor methylmalonic acidemia. Methylmalonic Acid Test Code. It may be ordered by itself but generally with a homocysteine test as a follow-up to a vitamin B12 test result that is in the lower end of the normal range. View sample report > Diagnosis of Vitamin B12 Deficiency.