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Endocrinology & Metabolism
Thyroid Function Interpretation
Endocrinology
Thyroid Function Test Interpreter
TSH, Free T4, and Free T3 pattern interpretation
Please enter a valid TSH value (0–100).
Please enter a valid Free T4 value (0–10).
✓ Thyroid Interpretation
TSH × FT4 Pattern Grid
Standard Reference Ranges
TSH: 0.4–4.0 mIU/L  |  Free T4: 0.8–1.8 ng/dL  |  Free T3: 2.3–4.2 pg/mL
Pregnancy (1st trimester): TSH 0.1–2.5 mIU/L, FT4 0.8–1.2 ng/dL

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