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The recommended first-line tests for thyroid status in all individuals, including pregnant individuals, are Thyroid Stimulating Hormone (TSH) (0070145) or Thyroid Stimulating Hormone with reflex to Free Thyroxine (2006108). Thyroid panels containing obsolete tests such as T Uptake (3005977) and Thyroxine, Total T4 (3005978) should not be ordered.
Recommendation