All markers › Thyroid
TSH
The pituitary's signal to the thyroid. Dr. Sorrell reads thyroid labs together with a measured resting metabolic rate, not on their own.
Dr. Sorrell's optimal rangeRead alongside measured resting metabolic rate (flag if low RMR with TSH >2.5)From the Sorrell MD Lab Decoder. Optimal ranges are stricter than the "normal" range printed on a lab report.
Who includes it, and what it costs
| Provider | Included / price | Checked |
|---|---|---|
| Function Health | ✓ included | 2026-10-16 |
| Superpower | ✓ included | 2026-10-16 |
| Jinfiniti AgingSOS Cellular Essentials | — | — |
| Quest (questhealth.com) | $49 Thyroid TSH Function Test | 2026-10-16 |
| Labcorp OnDemand | $49 Thyroid Stimulating Hormone (TSH) Test | 2026-10-16 |
| Walk-In Lab | $35 Thyroid-stimulating Hormone (TSH) Blood Test | 2026-10-16 |
| Ulta Lab Tests | $22.95 TSH Test | 2026-10-16 |
| Mito Health | $4.92 non-member price; member $3.51 | 2026-10-16 |
| Rythm Health | ✓ included | 2026-10-16 |
| SiPhox Health | — | — |
| Everlywell | — | — |
| LetsGetChecked | — | — |
Memberships (Function, Superpower) and Jinfiniti's panel cover many markers for one price. See the home page. Quest and Walk-In Lab add a physician fee of about $6 per order.