| Retailer | Free Thyroxine Index | Fee | Total |
|---|---|---|---|
via Quest | $39 | 0 | $39 |
DirectLabslab via Quest | $44 | 0 | $44 |
LabsMDlab via Quest | $49 | 0 | $49 |
via Quest | $39.95 | $12.95 | $52.90 |
Jason Healthlab via Quest | $35 | $18 | $53 |
Personalabslab via Quest | $99 | 0 | $99 |
Verisana Labkit via CLIA partner lab | $219.95 | 0 | $219.95 |
via Quest, LabCorp | $349 | 0 | $349 |