Thyroid hormones LCMS/MS (Total T4, Total T3, reverse T3, T3/rT3 Index)
- Suspicion of thyroid dysfunction in unclear clinical cases
- Differential diagnosis of hypothyroidism and thyrotoxicosis
- Suspicion of peripheral thyroid resistance
- Suspicion of reversible T3 syndrome in chronic diseases, stressful conditions, severe infections
- Monitoring of thyroid hormone replacement therapy
- Assessment of thyroid function in patients with obesity, insulin resistance, and metabolic syndrome
