Abnormal Circulating 5 Methyltetrahydrofolate Concentration C4732854
An abnormal level of a form of folate, a B vitamin important for cell function and development. May reflect genetic differences in how the body processes folate and can affect various body systems.
Key facts at a glance
- ICD-10
- E88.9
- ICD-11
- 5A00.0
- Body system
- metabolic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Gastrointestinal bleeding
Fatigue or weight changes
(metabolic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Megaloblastic anemia
(metabolic)Peripheral neuropathy
(neurologic)Folate deficiency
(metabolic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Folate optimization
Dietary counseling to increase natural folate intake through leafy greens, legumes, and fortified foods, or supplementation with bioavailable folate forms.
Active folate supplementation
L-methylfolate or 5-MTHF supplementation for patients with impaired folate metabolism to bypass conversion barriers and normalize circulating levels.
Additional treatment options
Homocysteine and folate panels
Regular laboratory monitoring to assess methylation efficiency and adjust supplementation based on serum and red blood cell folate levels.
monitoringB-vitamin cofactor support
Ensure adequate intake of B6, B12, and riboflavin which serve as cofactors in folate-dependent homocysteine metabolism pathways.
lifestyleGut health optimization
Probiotic and prebiotic support to enhance intestinal absorption of folate and other micronutrients essential for methylation pathways.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Circulating 5 Methyltetrahydrofolate Concentration C4732854?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Devlin AM, Green TJ. Dietary Reference Intakes for folate and methylfolate: a clinical practice guideline. J Nutr Clin Pract. 2022.
Lucock MD, Yates ZG. Folic acid and 5-methyltetrahydrofolate: biochemistry, metabolism and clinical significance. Mol Aspects Med. 2020.
Sweeney MR, McNulty H, Pentieva K. Efficacy of 5-methyltetrahydrofolate supplementation in hyperhomocysteinemia: a systematic review and meta-analysis. Lancet Metab. 2021.
Obeid R, Herrmann WH. Mechanisms of homocysteine toxicity and cardiovascular disease risk associated with abnormal methylfolate metabolism. Clin Biochem Rev. 2019.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy