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Essential Thyroid Function Panel

A thyroid function assessment that measures antibodies and reverse T3 to uncover the root causes of fatigue, weight changes, and metabolic issues.

What we test

  • Selenium
  • Iodine, Serum/Plasma
  • Free T4
  • Free T3
  • Thyroid-Stimulating Hormone
  • Free T4 Index (T7)
  • T3, Uptake
  • T4 (Thyroxine), Total
  • Reverse T3
  • Thyroglobulin antibodies
  • Thyroid Peroxidase Antibodies (TPO)

FAQ

Answers to common questions about panels, results, and your plan.

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Edith Yang

Healthy Mission Dietitian, Inc. We are a registered dietitian-led group practice serving patients virtually and in person in the greater Los Angeles area. Our focus is chronic disease management and prevention, rooted in cultural nutrition — care that honors your background and fits your real life. Lab testing is one of the tools we use to go beyond symptoms and get to the full picture. We order, interpret, and act on results with you — translating clinical data into a personalized, evidence-based nutrition plan. We offer testing across nutrient and micronutrient status, metabolic and cardiometabolic health, thyroid and hormone function, and GI and gut health. Every result is a starting point, not a verdict. Our goal is to give you clarity, direction, and a plan that works for your body and your life.

My website

Focus areas

  • Immune Health

  • Metabolic Health

  • Women's Health

States of practice

  • Alaska

  • California

  • Colorado

  • Massachusetts

  • Nevada