What Blood Tests Should I Get for Cold Intolerance?
The key blood tests for cold intolerance are TSH and Free T4, CBC, ferritin, and a comprehensive metabolic panel. Hypothyroidism is the most common cause of always feeling cold. Anemia and iron deficiency also reduce oxygen delivery and heat production.
Possible Causes
Recommended Tests
$72 + $18 order fee · $90 all-in
The 7 tests ordered separately: $76.50 (save $4.50)
Includes 5 of the 6 recommended tests below (not included: Free T3), plus 2 more.
All 6 recommended tests
$57.50 + one $18 order fee = $75.50 all-in
When to See a Doctor
If your cold intolerance is severe, rapidly worsening, or accompanied by alarming symptoms (chest pain, shortness of breath, high fever), seek immediate medical attention. Blood tests are a valuable first step, but they don't replace evaluation by a healthcare professional.
Frequently Asked Questions
Related Symptoms
Related Articles
How to get TSH, Free T4, and Free T3 tested affordably without insurance coverage.
Why Free T3 matters for thyroid health and when to add it to your panel.
How Free T4 complements TSH for a complete picture of thyroid hormone production.
Content reviewed for accuracy by the JustLabs editorial team.