LabNorms Population Percentiles

Serum Folate

Females, Age 20-29

The median serum folate for females aged 20-29 in the US population is 13.7 ng/mL, with 90% of this group falling between 5.4 and 30.0 ng/mL.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 572 participants · Unit: ng/mL

Percentile Distribution

Unit:
Percentile P5P25P50P75P95
Value (ng/mL) 5.4 9.8 13.7 20.3 30.0
5.4 9.8 13.7 20.3 30.0
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
572 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