RBC Folate
RBC folate measures long-term vitamin B9 tissue stores accumulated inside red blood cells over their 3-month lifespan.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
280 – 790 ng/mL
280 – 790 ng/mL
280 – 790 ng/mL
What does a low result mean?
A low level indicates a prolonged modest intake of leafy vegetables and legumes, easily restored through diet or supplements.
What does a high result mean?
An elevated level is common with regular folic acid supplementation and carries no health risk.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this mirror my true long-term folate stores more accurately than serum folate?
- Which dietary adjustments will best replenish my tissue reserves?
- Is a daily folic acid supplement indicated?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.