Lab test

Vitamin B6 Test - Vitamin Deficiency Testing

This blood test evaluates vitamin B6 (pyridoxine) levels and can help determine whether a deficiency is present.

Typical price

From $129

Results

1-3 business days

Preparation

See preparation notes below

Sample

Blood draw or sample collection at a local center

This blood test evaluates vitamin B6 (pyridoxine) levels and can help determine whether a deficiency is present. Vitamin B6 is involved in many body processes, including protein metabolism, red blood cell production, and normal nerve function. Mild deficiencies are considered relatively common, while more significant ones may be associated with specific symptoms or conditions. The test may be ordered when a provider suspects a deficiency or wants to assess vitamin status in someone with a restricted diet, absorption problems, or certain medicines that affect B6.

• Vitamin B6 (pyridoxine) Measures the level of this B vitamin in the blood.

• People with restricted or poor diets
• Individuals with conditions or medicines that affect B6 levels
• People with nerve or skin symptoms being evaluated
• Those being assessed with a broader nutritional panel

• Fasting may be requested before the draw.
• Tell the collector about vitamin supplements or medicines you take.
• Follow any instructions provided for your specific panel.

A low vitamin B6 level may suggest deficiency, which can relate to diet, absorption, or certain medicines, while high levels may occur with excessive supplementation. Because symptoms of B6 deficiency overlap with other conditions and very high levels can also cause problems, results are interpreted with your history. Discuss them with a healthcare provider.

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