Estimated maximum peripheral T4 to T3 conversion. Unlike simple FT3/FT4 ratios, it accounts for nonlinear enzyme kinetics.
Low SPINA-GD indicates reduced peripheral T4-to-T3 conversion.
High SPINA-GD indicates increased peripheral T4-to-T3 conversion.
Comprehensive assessment of thyroid function blood tests with HPT axis visualizations designed to detect thyroid-related dysfunction early.
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