An advanced thyroid function blood test provides a comprehensive evaluation of thyroid health, going beyond the basic tests to include additional markers and assessments that can help diagnose complex thyroid disorders and provide more detailed information on thyroid function. Here are the key components typically included in an advanced thyroid function panel:

Blood Test Cost – £119

1. Thyroid-Stimulating Hormone (TSH)

  • Purpose: Primary test to assess thyroid function.
  • Normal Range: Typically between 0.4 and 4.0 mIU/L.

2. Free Thyroxine (Free T4)

  • Purpose: Measures the active form of thyroxine, providing information on thyroid hormone production.
  • Normal Range: Generally between 0.8 and 1.8 ng/dL.

3. Free Triiodothyronine (Free T3)

  • Purpose: Measures the active form of triiodothyronine, useful in diagnosing hyperthyroidism.
  • Normal Range: Generally between 2.3 and 4.2 pg/mL.

4. Thyroid Antibodies in Advanced Thyroid Function Blood Test

  • Thyroid Peroxidase Antibodies (TPOAb):
    • Purpose: Detects autoimmune thyroid disease such as Hashimoto’s thyroiditis.
    • Normal Range: Typically less than 35 IU/mL.
  • Thyroglobulin Antibodies (TgAb):
    • Purpose: Another marker for autoimmune thyroid disease, particularly useful in thyroid cancer monitoring.
    • Normal Range: Typically less than 20 IU/mL.

Preparation for Advanced Thyroid Function Blood Test:

  • Fasting: Generally not required, but follow any specific instructions from your healthcare provider.
  • Medication: Inform your healthcare provider about any medications or supplements you are taking, as they may affect test results.

Follow-Up and Management for Advanced Thyroid Function Blood Test:

  • Treatment: Depending on the diagnosis, treatment options may include thyroid hormone replacement, antithyroid medications, radioactive iodine, or surgery.
  • Monitoring: Regular follow-up tests are essential to monitor the effectiveness of treatment and adjust dosages as needed.

Consultation with an endocrinologist or healthcare provider specialising in thyroid disorders is crucial for accurate diagnosis, interpretation of advanced thyroid function tests, and tailored treatment plans.

Results – 2 days from Laboratory receiving sample

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