How Transferrin Saturation appears on your report

Look for Transferrin Saturation. The result is normally shown in %, next to the reference interval used by the laboratory that ran the test.

Note the collection date before you compare it with anything, along with the context that matters for this marker: time of day, recent food or iron supplements, inflammation and iron stores can affect it. Read it with ferritin and TIBC.

Transferrin Saturation range in Australia

Vector tracks Transferrin Saturation against an optimal range of 15–45 %. Australia has no nationally harmonised reference interval for this marker, so the interval printed on your report varies with the laboratory and the assay it used.

Vector optimal15
45%
Varies by laboratory

No harmonised Australian interval exists for this marker — use the one printed beside your own result.

Vector’s optimal range is the band the app tracks against and the one printed in the doctor report. Why the two differ.

What to read alongside Transferrin Saturation

A single marker rarely explains itself. These results are commonly interpreted together with Transferrin Saturation, and Vector keeps them within reach of each other as your record grows.

Tracking Transferrin Saturation over time

One Transferrin Saturation result is a single point. Import the report into Vector, check the extracted value, unit and collection date, and it becomes the start of a series instead — with each later report adding a dated point you can actually compare against.

Further reading

Transferrin Saturation is read the same way every other result on the report is. These two guides cover that method rather than this marker:

Common questions

What is a normal Transferrin Saturation range in Australia?

Australia has no nationally harmonised reference interval for Transferrin Saturation, so the range printed on your report varies with the laboratory and the assay it used — always read your result against the interval beside it. Vector tracks Transferrin Saturation against an optimal range of 15–45 %, which is deliberately tighter than a population reference interval.

What is the optimal Transferrin Saturation level?

Vector treats 15–45 % as the optimal range for Transferrin Saturation. An optimal range is a target the app tracks against, not a clinical threshold, and it can differ from the interval your laboratory prints.

What unit is Transferrin Saturation reported in on Australian pathology reports?

Transferrin Saturation is usually reported in % on Australian pathology reports. The performing laboratory prints a reference interval in the same unit beside the result, and that interval is the one that governs your individual result.

What can change your Transferrin Saturation result?

Time of day, recent food or iron supplements, inflammation and iron stores can affect it. Read it with ferritin and TIBC.

Sources

  1. RCPA Manual: Iron studies: transferrin saturationAustralian pathology reference for this test and related result context.
  2. Healthdirect: vitaminsGeneral consumer context for nutrient testing and supplementation.

Published 2 August 2026 · Updated 3 August 2026 · Author Vector