Is Methylmalonic Acid 373 normal, high or low? What does Methylmalonic Acid level 373 mean?

📅 Medical Review Date: April 7, 2026

Your Methylmalonic Acid level of 373 is a Normal Methylmalonic Acid level.

Normal Methylmalonic Acid levels may indicate underlying health problems. The normal range is typically between 1 nmol/L and 378 nmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

Important - Scroll to the end of this article to see how our patients managed their normal Methylmalonic Acid levels

The normal Methylmalonic Acid range for men is :1 - 378 nmol/L

**Ideal values of Methylmalonic Acid depending on age (male) :**
Age	Ideal Methylmalonic Acid value
<5 years	1.037
5-10 years	1.076
10-15 years	1.116
15-20 years	1.158
20-25 years	1.201
25-30 years	1.246
30-35 years	1.292
35-40 years	1.34
40-45 years	1.39
45-50 years	1.442
50-55 years	1.496
55-60 years	1.552
60-70 years	1.61
70-80 years	1.67
80-90 years	1.732
90-100 years	1.797
>100 years	1.864

*Ideal values are calculated based on our database of patient records

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

Important - Read more questions about normal Methylmalonic Acid levels after this video message

Important - At the end of this article read how our patients treated their normal Methylmalonic Acid levels

Normal range of Methylmalonic Acid found among women :1-378 nmol/L

**Ideal values of Methylmalonic Acid depending on age (female) :**
Age	Ideal Methylmalonic Acid value
<5 years	1.038
5-10 years	1.078
10-15 years	1.119
15-20 years	1.162
20-25 years	1.207
25-30 years	1.253
30-35 years	1.301
35-40 years	1.351
40-45 years	1.403
45-50 years	1.457
50-55 years	1.513
55-60 years	1.571
60-70 years	1.631
70-80 years	1.694
80-90 years	1.759
90-100 years	1.827
>100 years	1.897

Also Read :Symptoms of Low Methylmalonic Acid

If you take a Methylmalonic Acid blood test and the results are not in the normal range (1-378 nmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Methylmalonic Acid Test Is Done :

When your doctor orders a Methylmalonic Acid test, it involves a straightforward blood draw to measure your Methylmalonic Acid levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Methylmalonic Acid test results are usually available within a few hours.

Medical References

Symptoms

Medically Reviewed By

Dr. Hernandez, MD

BOARD CERTIFIED PATHOLOGIST

Laboratory Medicine Specialist

View Full Profile & Credentials →

Laboratory Expertise:

Clinical Pathology Certification
15+ years lab analysis experience
Specializes in test interpretation
Medical Advisory Board Member

Medical Disclaimer: This information is for educational purposes and should not replace professional medical advice. Consult your physician for diagnosis and treatment. Read full disclaimer.