ThyroidPrices verified 2026-03-23
T4 (Thyroxine), Total
Did you know up to 60% of people with thyroid disease are unaware of their condition? This simple blood test measures the total amount of T4 (thyroxine) in your blood, a vital hormone made by your thyroid gland, offering crucial insight for anyone experiencing unexplained fatigue or weight changes, especially women. Taking this test is a proactive step toward understanding your metabolism and getting on the path to optimal health.
Cost Recon
Self-Pay Price Comparison
| Provider | Price | vs. Highest | Order |
|---|---|---|---|
Quest QuestHealth self-pay | Not Available | N/A | Check Provider Site · Quest |
LabCorp Labcorp OnDemand | Not Available | N/A | Check Provider Site · LabCorp |
GoodLabs Discount lab network | $4.00Best value | Best price | Order · GoodLabs |
About GoodLabs: About GoodLabs: GoodLabs offers the same Quest and LabCorp tests at discounted self-pay rates. Their prices reflect direct negotiated rates; not retail list prices.
Recon Snapshot
What This Test Measures
Key analytes included in this test (see your lab’s order for the full finalized list).
Total T4
Clinical Notes
Total T4 reflects overall thyroxine production and protein binding capacity. Affected by changes in TBG (pregnancy, OCP use, liver disease, nephrotic syndrome).