Blood count & iron

Transferrin saturationTSAT%

The percentage of transferrin loaded with iron; calculated from iron and transferrin.

TypeCalculated valueResult12-24 hours
Calculated value

What this is calculated from

Transferrin saturation is not measured separately, but derived from values that are in your finger-prick.

Transferrin saturation is calculated from:

Reference ranges

What is a normal value?

Reference range by sex. Where your result falls depends on several factors — this is not a personal result.

Please note — these reference ranges are indicative and not yet reviewed by a registered (BIG) doctor. They may vary between laboratories and individuals.

Everyone20 – 45%
0reference range52 %
About the sample

Collected at home, measured in the lab

Result
12-24 hours

Turnaround times are an estimate from when your sample arrives at the lab and may vary.

Finger-prick collection kit by postResult in ~48 hoursReviewed by a registered (BIG) doctorFree return

Measure this value at home

Order a collection kit, take a few drops of blood at home and receive your result with a review by a registered doctor.

View the tests