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Also reported in: nmol/L
Your RBC folate is in the normal range, indicating adequate long-term folate status in your cells.
RBC folate reflects tissue folate stores over the past 3 months (unlike serum folate which reflects recent intake). Very low RBC folate is consistent with prolonged folate deficiency — DNA replication is very compromised.
Start folate supplementation under medical guidance. Identify the cause of chronic deficiency. Seek care urgently if pregnant.
RBC Folate: {{value}} {{unit}} — very low (ref: {{low}}–{{high}})Low RBC folate indicates chronic folate insufficiency — your cells have been folate-depleted for weeks to months. This is more clinically significant than low serum folate alone, which can change rapidly.
Supplement with methylfolate (5-MTHF) 400–800 mcg daily. Dietary improvement with leafy greens, legumes, and fortified foods should accompany supplementation.
RBC Folate: {{value}} {{unit}} — below reference range (ref: {{low}}–{{high}})Borderline low RBC folate suggests marginally depleted cellular folate stores. This early stage is the best time to correct through dietary and supplementation measures.
Supplement with methylfolate and increase folate-rich foods. Retest in 3 months.
RBC Folate: {{value}} {{unit}} — borderline lowYour RBC folate is in the normal range, indicating adequate long-term folate status in your cells.
No action needed. Continue a folate-rich diet.
RBC Folate: {{value}} {{unit}} — within reference rangeYour RBC folate is right in the healthy midrange, providing excellent long-term folate status for DNA synthesis, methylation, and red blood cell production.
Excellent result. No action needed.
RBC Folate: {{value}} {{unit}} — optimalBorderline high RBC folate reflects robust folate stores, usually from sustained supplementation. Generally not harmful, but check B12 to ensure it's not being masked.
No immediate concern. Check B12 levels. Consider whether supplementation dose needs adjustment.
RBC Folate: {{value}} {{unit}} — borderline highHigh RBC folate from excess supplementation can mask the red blood cell findings of B12 deficiency while neurological damage from B12 deficiency progresses.
Check B12 and methylmalonic acid. Reduce high-dose folic acid supplementation to standard levels.
RBC Folate: {{value}} {{unit}} — above reference range (ref: {{low}}–{{high}})Very high RBC folate from massive supplementation is a flag to urgently check for concurrent B12 deficiency, which may be neurologically progressing undetected.
Stop excess supplementation. Check B12 and MMA urgently. Discuss with your doctor.
RBC Folate: {{value}} {{unit}} — very high (ref: {{low}}–{{high}})Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.