spaThyroidThyroid function

Thyroid Panel (TSH + Free T4)

Pairs TSH with Free T4 to assess thyroid function — the first-line workup for fatigue, weight changes, and suspected thyroid disorders.

Discuss with a physician Browse all labs

No fasting

What it measures 2 markers

TSH: Pituitary signal that regulates the thyroid — the first-line marker.
Free T4: The main circulating thyroid hormone.

Often read with

Free T3: The active form of thyroid hormone.
TPO Antibodies: Autoimmune thyroid marker (Hashimoto’s).

Who it's for

Patients with fatigue, weight, or mood changes
Anyone screening for thyroid disorders
Members monitoring thyroid treatment

Before your draw

No fasting required
An expanded panel adds Free T3 and thyroid antibodies

Not sure if this panel is right for you?

A licensed Allora physician will review your goals, history, and symptoms before recommending any lab work.

Start your evaluation Browse all labs