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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 by source

Published adult intervals: 4, from 3 named sources, shown in µg/L.

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)

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

More tests in the vitamins category.

Vitamin D, 25-Hydroxy

Vitamin D, 1,25-Dihydroxy

Vitamin B12 (Cobalamin)

Methylmalonic Acid (MMA)

Sources

ARUP Laboratories

Mayo Clinic Laboratories

Quest Diagnostics

Last updated 2026-05-02

This page presents source-specific reference data and sourced explanations. For general wellness information only. This is not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.

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