---
title: "Functional Thyroid Blood Test Panel: What It Measures"
description: "Functional Thyroid Panel blood test checks TSH, free/total T4 and T3, reverse T3, and thyroid antibodies to interpret thyroid patterns together."
canonical: "https://www.vitalsvault.com/biomarkers/functional-thyroid-panel"
last-updated: 2026-08-22
---

# Functional Thyroid Blood Test Panel: What It Measures

> Functional Thyroid Panel blood test checks TSH, free/total T4 and T3, reverse T3, and thyroid antibodies to interpret thyroid patterns together.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/functional-thyroid-panel
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