← Thyroid
Thyroid· LOINC 3016-3
TSH
2.70µIU/mL
WatchDown 3.6% since 2 July · moving the wrong way
Where it sits
0.005.07
Trend
Hover any point for that drawShaded band is the optimal range · 0.45–4.5 µIU/mL standard6 draws · Mar – Aug 2026
What this measures
The pituitary's instruction to the thyroid. It rises first when thyroid output starts to lag, which makes it the earliest signal.