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Thyroid · Thyroid-stimulating hormone

TSH

The signal your brain sends to set the thyroid’s pace.

Laboratory range

0.4–4.0µIU/mL · adults
00.44.08 µIU/mL
Laboratory rangeOutside the range

Commonly used laboratory range — confirm with the lab.Ranges vary by method. No optimal band is shown — none narrower than the lab’s is widely agreed.

Time of day, illness, pregnancy and some medicines. Biotin supplements can interfere with the test itself, so tell us if you take them.

A laboratory range gives context, not a diagnosis.

Santé explains what a biomarker measures; it does not tell you what to take or do. Your clinician does.

In your account

One value is a snapshot. Three are a direction.

When TSH is in a panel you take, each result sits beside the last — so you see the direction, not just the day.

  1. 0120242.1 µIU/mL
  2. 0220252.6 µIU/mL
  3. 0320262.3 µIU/mL
Sample vials in a laboratory rack
Sample

Thyroid

TSH

2.3 µIU/mL

In range
53.82.51.202.120242.620252.32026

Steady inside the lab range across three panels.

Lab range0.4–4.0 µIU/mL
First panel2.1 µIU/mL · 2024
Sample — not live data

Measure your TSH

Two ways to measure it.

In the membership, or in a single panel.

An athlete training outdoorsIncluded in the membership

Santé 360

88 biomarkers in one draw at our lab, once a year (home collection coming soon). TSH is one of the 88 biomarkers.

a year

Become a memberValidated report in about 7 days

Questions

Asked about TSH.

Talk to Santé

A hormone made by the pituitary gland. It tells the thyroid how much T4 and T3 to release.

Read alongside

Related markers.

All 106 biomarkers