Vitamin B12 Deficiency: Recognition and Management - AAFP
2017年9月15日 · Measurement of serum methylmalonic acid should be used to confirm deficiency in asymptomatic high-risk patients with low-normal levels of vitamin B12.
Methylmalonic Acid (MMA) Test - MedlinePlus
This test measures the level of methylmalonic acid (MMA) in blood or urine. It's used to check for vitamin B12 deficiency and may be part of newborn screening.
Methylmalonic Acid Test: Purpose, Procedure, and Results - Healthline
2018年6月5日 · The methylmalonic acid test is a simple blood test. High levels of methylmalonic acid may indicate a vitamin B-12 deficiency. Learn more about B-12 and the symptoms of vitamin B-12...
Methylmalonic Acid (MMA) Test: Normal & High Levels
2021年1月19日 · Low Methylmalonic Acid. Low MMA has no known health implications. Remember that it’s possible (although rare) to have low blood or urine MMA and still be vitamin B12 deficient. Your doctor will interpret your levels, taking into account your medical history, symptoms, and other test results. Genetics. Genetics probably plays a large role in ...
Methylmalonic Acid Test: Types, What to Expect, and More - WebMD
2024年2月13日 · There are two types of low-risk methylmalonic acid tests. One is a blood test. The other is a urine test. Why a Methylmalonic Acid Test? Vitamin B12 is necessary to make red blood cells.
Methylmalonic Acid (Blood) - Health Encyclopedia - University of ...
A high level of MMA can mean that you have a low level of B-12. Vitamin B-12 deficiency is the most common cause of MMA production. Foods that can increase B-12 levels include red meats, shellfish, fish, dairy, and cereals fortified with the vitamin.
Here’s What Methylmalonic Acid Levels Tell You About Your Health
Since methylmalonic acid increases with low vitamin B12, it remains an effective marker to detect the deficiency. When there are sufficient levels of this vitamin, the methylmalonyl CoA, a type of MMA, gets converted into other functional enzymes that aid in metabolism.
Methylmalonic Acid Test - Cleveland Clinic
2024年8月6日 · What is a methylmalonic acid test? A methylmalonic (meth-uhl-muh-LAHN-ick) acid test is a way to test for vitamin B12 deficiency. Your provider uses a sample of your blood or urine (pee) to look for high levels of methylmalonic acid (MMA).
Methylmalonic acid blood test - Mount Sinai Health System
The methylmalonic acid blood test measures the amount of methylmalonic acid in the blood. Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe.
Methylmalonic Acid (Blood) - UW Medicine
2022年9月1日 · A high level of MMA can mean that you have a low level of B-12. Vitamin B-12 deficiency is the most common cause of MMA production. Foods that can increase B-12 levels include red meats, shellfish, fish, dairy, and cereals fortified with the vitamin.