Ferritin Reference Ranges for Females, Age 40–49
NHANES 2017–2020 · n = 296 · ng/mL
The median ferritin level for females aged 40–49 in the US population is 44 ng/mL (NHANES 2017–2020).
Unit:
| Percentile | P5 | P25 | P50 | P75 | P95 |
|---|---|---|---|---|---|
| Value (ng/mL) | 10 | 22 | 44 | 90 | 172 |
10 22 44 90 172
P5 P25 P50 P75 P95
Data and Methodology
- Dataset
- NHANES
- Survey years
- 2017–2020
- Sample size
- 296 participants
- Reference population
- US civilian non-institutionalized females from NHANES 2017–March 2020 pre-pandemic, excluding pregnant women, participants with WBC >10.0 × 10⁹/L, CRP >5.0 mg/L, ALT or AST >70 IU/L, ferritin >150 µg/L (iron overload risk for premenopausal females), or missing ferritin or hemoglobin values.
- Exclusion criteria
-
- Pregnant women
- WBC >10.0 × 10⁹/L (infection marker)
- CRP >5.0 mg/L (inflammation marker)
- ALT or AST >70 IU/L (liver disease marker)
- Ferritin >150 µg/L (iron overload risk, premenopausal threshold)
- Missing ferritin or hemoglobin values
- Notes
- Percentiles computed using survey-weighted analysis accounting for NHANES complex sampling design.
- Sources