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Iron (Fe)
Blood
Iron (Fe)
COMMON RANGE
50 – 150
µg/dL
0
238
M
Mayo Clinic Laboratories
Adult Male
↗
See all sources ↓
CONVERT & COMPARE
µg/dL
=
17.9
µmol/L
Reference ranges across 10+ sources
Adult reference ranges from 21 entries across 10 trusted sources, shown in µg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
Male
≥18
55 – 195 µg/dL
↗
A
ARUP Laboratories
Female
≥18
40 – 175 µg/dL
↗
M
Mayo Clinic Laboratories
Male
≥18
50 – 150 µg/dL
↗
M
Mayo Clinic Laboratories
Female
≥18
35 – 145 µg/dL
↗
Q
Quest Diagnostics
Male
≥18
50 – 170 µg/dL
↗
Q
Quest Diagnostics
Female
≥18
40 – 155 µg/dL
↗
L
Labcorp
Male
≥18
65 – 175 µg/dL
↗
L
Labcorp
Female
≥18
50 – 170 µg/dL
↗
W
World Health Organization
All
≥18
60 – 170 µg/dL
↗
R
RCPA / AACB Australasian Harmonised Reference Intervals
All
≥18
50 – 170 µg/dL
↗
N
Nordic Reference Interval Project
All
≥18
50 – 150 µg/dL
↗
U
UK Pathology Harmony
All
≥18
50 – 150 µg/dL
J
JSCC / JAMT Japan
All
≥18
40 – 188 µg/dL
#
NUMBER — Dutch Reference Value Study
Male
19–51
45 – 218 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Male
51–66
45 – 196 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Male
66–81
39 – 173 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Male
81–121
45 – 162 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Female
19–51
39 – 196 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Female
51–66
45 – 168 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Female
66–81
45 – 168 µg/dL
↗
#
NUMBER — Dutch Reference Value Study
Female
81–121
39 – 156 µg/dL
↗
A
ARUP Laboratories
Male · ≥18
↗
55 – 195 µg/dL
A
ARUP Laboratories
Female · ≥18
↗
40 – 175 µg/dL
M
Mayo Clinic Laboratories
Male · ≥18
↗
50 – 150 µg/dL
M
Mayo Clinic Laboratories
Female · ≥18
↗
35 – 145 µg/dL
Q
Quest Diagnostics
Male · ≥18
↗
50 – 170 µg/dL
Q
Quest Diagnostics
Female · ≥18
↗
40 – 155 µg/dL
L
Labcorp
Male · ≥18
↗
65 – 175 µg/dL
L
Labcorp
Female · ≥18
↗
50 – 170 µg/dL
W
World Health Organization
All · ≥18
↗
60 – 170 µg/dL
R
RCPA / AACB Australasian Harmonised Reference Intervals
All · ≥18
↗
50 – 170 µg/dL
N
Nordic Reference Interval Project
All · ≥18
↗
50 – 150 µg/dL
U
UK Pathology Harmony
All · ≥18
50 – 150 µg/dL
J
JSCC / JAMT Japan
All · ≥18
40 – 188 µg/dL
#
NUMBER — Dutch Reference Value Study
Male · 19–51
↗
45 – 218 µg/dL
#
NUMBER — Dutch Reference Value Study
Male · 51–66
↗
45 – 196 µg/dL
#
NUMBER — Dutch Reference Value Study
Male · 66–81
↗
39 – 173 µg/dL
#
NUMBER — Dutch Reference Value Study
Male · 81–121
↗
45 – 162 µg/dL
#
NUMBER — Dutch Reference Value Study
Female · 19–51
↗
39 – 196 µg/dL
#
NUMBER — Dutch Reference Value Study
Female · 51–66
↗
45 – 168 µg/dL
#
NUMBER — Dutch Reference Value Study
Female · 66–81
↗
45 – 168 µg/dL
#
NUMBER — Dutch Reference Value Study
Female · 81–121
↗
39 – 156 µg/dL
Ages 0–17 (CALIPER)
PEDIATRIC
3 age- and sex-stratified entries from the Canadian Laboratory Initiative on Pediatric Reference Intervals.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
C
CALIPER — Canadian Pediatric Reference Intervals
All
0–14
16 – 128 µg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
Female
14–19
20 – 162 µg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
Male
14–19
31 – 168 µg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All · 0–14
↗
16 – 128 µg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
Female · 14–19
↗
20 – 162 µg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
Male · 14–19
↗
31 – 168 µg/dL
Related biomarkers
Often tested alongside iron (fe) or part of the same panel.
White Blood Cells (WBC)
Blood
Red Blood Cells (RBC)
Blood
Hemoglobin (Hgb)
Blood
Hematocrit (Hct)
Blood
Platelets (PLT)
Blood
Mean Corpuscular Volume (MCV)
Blood
Sources
A
ARUP Laboratories
M
Mayo Clinic Laboratories
Q
Quest Diagnostics
L
Labcorp
W
World Health Organization
R
RCPA / AACB Australasian Harmonised Reference Intervals
N
Nordic Reference Interval Project
U
UK Pathology Harmony
J
JSCC / JAMT Japan
#
NUMBER — Dutch Reference Value Study
C
CALIPER — Canadian Pediatric Reference Intervals
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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