Reflects long-term folate tissue stores (erythrocyte lifespan ~120 days). Less affected by recent dietary intake than serum folate. More sensitive for true folate deficiency.
| Sex | Age | Range | Notes |
|---|---|---|---|
| All | ≥ 18 yrs | > 360 | Deficiency <360 nmol/L; normal >360 |
⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.