LabNorms Population Percentiles

Serum Folate

Females, Age 30-39

The median serum folate for females aged 30-39 in the US population is 14.9 ng/mL, with 90% of this group falling between 6.2 and 39.1 ng/mL.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 648 participants · Unit: ng/mL

Percentile Distribution

Unit:
Percentile P5P25P50P75P95
Value (ng/mL) 6.2 10.2 14.9 21.6 39.1
6.2 10.2 14.9 21.6 39.1
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from NHANES 2017-March 2020 pre-pandemic combined cycles using the published folate subsample weight WTFOLPRP applied directly with no division.)
Survey years
2017-2020
Sample size
648 participants
Reference population
US adults aged 20+, excluding pregnant participants
Exclusion criteria
  • Age under 20
  • Pregnant at time of exam (RIDEXPRG == 1)
  • Missing analyte value
  • Missing or zero pre-pandemic folate sample weight (WTFOLPRP)

Other Demographic Groups