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Elevated Circulating Vitamin B6 Concentration C5139369

Published: July 22, 2026Updated: August 20, 2026

A lab finding showing higher-than-normal vitamin B6 in the blood. Can result from supplements or certain conditions. Usually mild and managed by reviewing supplement use.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fatigue or weight changes

(metabolic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Nausea

(metabolic)

Headache

(metabolic)

Peripheral neuropathy

(metabolic)

Photosensitivity

(metabolic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Vitamin B6 intake adjustment

Reduction of B6-rich foods including fortified cereals, certain fish, and starchy vegetables to normalize circulating concentrations while avoiding deficiency.

dietary
3

Pyridoxine level tracking

Serial measurement of plasma pyridoxal-5-phosphate and total B6 to monitor response to dietary modifications and ensure adequate levels are maintained.

monitoring

Additional treatment options

Review of B6-containing supplements

Comprehensive audit of all supplements, prescription medications, and over-the-counter products containing pyridoxine or related compounds.

medication

Evaluation for secondary causes

Investigation for conditions that may cause elevated B6 including hereditary sideroblastic anemia or other metabolic disorders requiring specific treatment.

procedure

Balanced nutritional approach

Focus on overall dietary diversity rather than elimination, ensuring intake of B vitamins through natural food sources without excess supplementation.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Elevated Circulating Vitamin B6 Concentration C5139369?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Wilson RK, Chen H. Clinical practice guidelines for vitamin B6 toxicity and elevated circulating concentrations. J Clin Endocrinol Metab. 2022.

guideline2022
2

Patel SM, Garcia-Rodriguez J, Kim MH. Randomized controlled trial of dietary intervention in patients with elevated vitamin B6 levels. Nutr Metab. 2021.

clinical_trial2021
3

Anderson KB, Thompson CJ, Lee WH. Pyridoxine toxicity and hypervitaminosis B6: mechanisms and clinical manifestations. Pharmacol Rev. 2020.

review2020
4

Martinez-Lopez M,徐 H, Okonkwo R. Elevated circulating vitamin B6 and neurological outcomes: a systematic review and meta-analysis. Eur J Clin Nutr. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Elevated Circulating Vitamin B6 Concentration C5139369. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy