Thyroid Panel - IV( FT3, FT4, TSH), in Kolkata

Fasting and dietary instructions:

No fasting required. Eat and drink normally before the appointment. Stay well hydrated , drink 2 to 3 glasses of water before the draw. Avoid alcohol and vigorous exercise for 12 hours before collection.

Medication guidance:

If you are on levothyroxine, do not take your morning dose before the blood draw. Collect the sample first, then take your medication , taking it beforehand temporarily elevates free T4 and can produce a misleadingly low TSH.

What to bring:

Bring your doctor's prescription or test requisition, a valid photo ID, and your corporate health insurance card if using cashless OPD. Wear short sleeves or clothing with sleeves that roll up easily.

Timing:

Morning slots are recommended for most blood tests. Most markers are most stable before meals and activity. GetVisit home collection in Kolkata is available from 6:00 AM, including in Ultadanga and Lake Gardens.

FT3 (Free T3), FT4 (Free T4), TSH (Thyroid Stimulating Hormone)

When does a doctor order Thyroid Panel - IV( FT3, FT4, TSH)?

Thyroid Panel - IV( FT3, FT4, TSH) is ordered when thyroid disease is clinically suspected or when monitoring a patient on levothyroxine therapy. Symptoms often overlap with depression, anaemia, or menopause , making a blood test essential to distinguish thyroid dysfunction from other causes.

Who should get Thyroid Panel - IV( FT3, FT4, TSH) done in Kolkata?

Autoimmune hypothyroidism is among the most commonly diagnosed endocrine conditions in West Bengal. Women in Kolkata aged 25 to 50 who experience fatigue, weight gain, or menstrual irregularities should prioritise thyroid testing , these symptoms are often misattributed to stress or anaemia. Clinicians order a thyroid panel (FT3, FT4, TSH) when patients have symptoms like fatigue, weight changes, heat or cold intolerance, palpitations, or mood shifts. It helps diagnose and monitor hypothyroidism, hyperthyroidism, and thyroiditis, and it evaluates response to thyroid medicines. Adults above 30 in Kolkata benefit from periodic health screening that includes Thyroid Panel - IV( FT3, FT4, TSH) as part of a broader preventive panel. Residents of Gariahat, Dum Dum, and across the city with chronic conditions, those on long-term medication, and individuals with a relevant family history should test at the frequency their specialist recommends.

What conditions can Thyroid Panel - IV( FT3, FT4, TSH) help diagnose?

The conditions diagnosable through Thyroid Panel - IV( FT3, FT4, TSH) depend on the specific markers the test measures. Results either confirm a suspected diagnosis, support a clinical suspicion requiring further investigation, or effectively exclude the condition the test was screening for.

What do Thyroid Panel - IV( FT3, FT4, TSH) results mean?

Subclinical hypothyroidism: TSH mildly elevated (4–10 mIU/L), normal free T4. Your doctor decides on treatment based on symptoms, anti-TPO status, and cardiovascular risk. TSH above 10 mIU/L: overt hypothyroidism , treatment is universally recommended. During pregnancy, TSH should be below 2.5 mIU/L in the first trimester.

How often should Thyroid Panel - IV( FT3, FT4, TSH) be repeated?

For preventive screening with a normal baseline: annually for most adults above 35. For monitoring a known condition: at the interval your specialist recommends , typically every 3 to 6 months for active conditions and annually for stable, well-controlled ones.

What happens after Thyroid Panel - IV( FT3, FT4, TSH) results are ready?

Your GetVisit digital report is delivered to your phone as soon as results are authorised. Share it directly with your doctor via the app, or book a consultation with a GetVisit-verified specialist on the same platform. Critical values outside a safe range are flagged by the laboratory for urgent clinical review.