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Selenium (Se)
Vitamins
Selenium (Se)
COMMON RANGE
110 – 165
µg/L
5.3
218
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
µg/L
=
1747
nmol/L
=
138
mcg/L
=
138
ug/L
=
138
ng/mL
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 3 named sources, shown in µg/L. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18y
23 – 190 µg/L
↗
M
Mayo Clinic Laboratories
All
1.1y–18y
70 – 150 µg/L
↗
M
Mayo Clinic Laboratories
All
≥18y
110 – 165 µg/L
↗
Q
Quest Diagnostics
All
≥18y
120 – 200 µg/L
↗
A
ARUP Laboratories
All · ≥18y
↗
23 – 190 µg/L
M
Mayo Clinic Laboratories
All · 1.1y–18y
↗
70 – 150 µg/L
M
Mayo Clinic Laboratories
All · ≥18y
↗
110 – 165 µg/L
Q
Quest Diagnostics
All · ≥18y
↗
120 – 200 µg/L
Ages 0–17 (CALIPER)
PEDIATRIC
4 age- and sex-stratified entries from the Canadian Laboratory Initiative on Pediatric Reference Intervals.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
M
Mayo Clinic Laboratories
All
0–3mo
45 – 90 µg/L
↗
M
Mayo Clinic Laboratories
All
3mo–7mo
50 – 120 µg/L
↗
M
Mayo Clinic Laboratories
All
7mo–10mo
60 – 120 µg/L
↗
M
Mayo Clinic Laboratories
All
10mo–1.1y
70 – 130 µg/L
↗
M
Mayo Clinic Laboratories
All · 0–3mo
↗
45 – 90 µg/L
M
Mayo Clinic Laboratories
All · 3mo–7mo
↗
50 – 120 µg/L
M
Mayo Clinic Laboratories
All · 7mo–10mo
↗
60 – 120 µg/L
M
Mayo Clinic Laboratories
All · 10mo–1.1y
↗
70 – 130 µg/L
Related biomarkers
Often tested alongside selenium (se) or part of the same panel.
Vitamin D, 25-Hydroxy
Vitamins
Vitamin D, 1,25-Dihydroxy
Vitamins
Vitamin B12 (Cobalamin)
Vitamins
Folate (Serum)
Vitamins
Folate (RBC)
Vitamins
Methylmalonic Acid (MMA)
Vitamins
Sources
A
ARUP Laboratories
M
Mayo Clinic Laboratories
Q
Quest Diagnostics
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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