Folate (Folic Acid)

Normal range 3–17 ng/mL (7–39 nmol/L SI). Specimen: Serum.

Also known as: folic acid, serum folate.

3–17 ng/mLReference range

Reference range

Conventionalng/mL

317

SInmol/L

739

Specimen	Serum
Conventional range	3–17 ng/mL
SI range	7–39 nmol/L
Conversion factor	×2.266 (conventional → SI)
Panel	Inflammatory & Other Chemistry

Convert any Folate (Folic Acid) result between units on the unit converter.

What is the normal range for Folate (Folic Acid)?

The standard teaching reference range for Folate (Folic Acid) is 3–17 ng/mL in conventional units, or 7–39 nmol/L in SI units. This value is measured in serum.

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population — always use the range printed on the actual result.

Above the range

Common causes of a high Folate (Folic Acid)

Supplementation
Recent high-folate meal

Below the range

Common causes of a low Folate (Folic Acid)

Poor dietary intake
Alcohol use disorder
Malabsorption
Pregnancy (increased demand)

At the bedside

Nursing considerations

Deficiency causes macrocytic anemia and neural tube defects in pregnancy — supplement before conception.

Study aid

Your notes on Folate (Folic Acid)

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Same panel

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