T3 Total Triiodothyronine
T3 Total Triiodothyronine is a clinical biomarker on the Thyroid panel, reported in ng/dL. Standard reference range: 83–200 ng/dL. Functional (optimal) range used by integrative practitioners: 100–165 ng/dL.
What is T3 Total Triiodothyronine?
Total T3 measures both bound and free triiodothyronine, the most metabolically active thyroid hormone; levels are affected by TBG and peripheral conversion from T4.
Reference ranges
| Range type | Value (ng/dL) | Source |
|---|---|---|
| Standard (lab) | 83–200 | Typical Quest / LabCorp adult reference |
| Functional (optimal) | 100–165 | Integrative / functional medicine consensus |
How SomaVue interprets T3 Total Triiodothyronine
SomaVue maps every result for T3 Total Triiodothyronine against four clinical lenses — nutrient cofactors, toxin exposure, infection drivers, and circadian/hormonal context — and connects each interpretation to specific peer-reviewed citations. Pre-mapped clinical reasoning and cross-marker pattern detection are available inside the practitioner workspace.
See the full interpretation
Upload a patient PDF or enter values manually to see the four-lens analysis, cross-marker patterns, and cited evidence for T3 Total Triiodothyronine and 205 other markers.
Try it freeEducational reference only. Reference ranges vary by laboratory, assay method, age, sex, and clinical context. Functional ranges represent integrative-medicine consensus and are not regulatory thresholds. SomaVue does not diagnose, treat, mitigate, or prevent disease. Always consult a licensed healthcare provider.