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Transferrin Saturation

Blood

Transferrin Saturation

Also known as: TSat, Iron Saturation, %Sat, TS

COMMON RANGE

14 – 50

%

5.3

61.7

M

Mayo Clinic Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

%

=

0.32

fraction

Reference ranges by source

Published adult intervals: 7, from 5 named sources, shown in %.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

A

ARUP Laboratories

All

≥18y

20 – 50 %

M

Mayo Clinic Laboratories

All

≥18y

14 – 50 %

L

Labcorp

All

≥18y

15 – 55 %

Q

Quest Diagnostics

Male

≥18y

20 – 48 %

Q

Quest Diagnostics

Female

≥18y

16 – 45 %

N

Nordic Reference Interval Project

Male

≥18y

16 – 57 %

N

Nordic Reference Interval Project

Female

≥18y

10 – 50 %

A

ARUP Laboratories

All · ≥18y

20 – 50 %

M

Mayo Clinic Laboratories

All · ≥18y

14 – 50 %

L

Labcorp

All · ≥18y

15 – 55 %

Q

Quest Diagnostics

Male · ≥18y

20 – 48 %

Q

Quest Diagnostics

Female · ≥18y

16 – 45 %

N

Nordic Reference Interval Project

Male · ≥18y

16 – 57 %

N

Nordic Reference Interval Project

Female · ≥18y

10 – 50 %

Related biomarkers

More tests in the blood category.

White Blood Cells (WBC)

Red Blood Cells (RBC)

Hemoglobin (Hgb)

Hematocrit (Hct)

Platelets (PLT)

Mean Corpuscular Volume (MCV)

Sources

ARUP Laboratories

Mayo Clinic Laboratories

Quest Diagnostics

Nordic Reference Interval Project

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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