NBS - Congenital Hypothyroidism (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:

Carry your doctor's test order, a government-issued photo ID, and your OPD insurance card. If you have had this test before, bring previous reports , your doctor can compare results over time.

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 Dum Dum.

Single standalone test:

NBS - Congenital Hypothyroidism (TSH). Can be ordered individually or as part of a preventive health package on GetVisit.

When does a doctor order NBS - Congenital Hypothyroidism (TSH)?

Your doctor orders NBS - Congenital Hypothyroidism (TSH) when you report unexplained fatigue, weight changes, hair loss, cold or heat intolerance, palpitations, or menstrual irregularities. It is also ordered in routine annual health checks for adults above 30 and for pregnant women, in whom thyroid function must be closely monitored.

Who should get NBS - Congenital Hypothyroidism (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. NBS - Congenital Hypothyroidism (TSH) is part of routine newborn screening panels to detect underactive thyroid in infants. Doctors rely on it when babies have poor feeding, prolonged jaundice, slow growth, low muscle tone, or simply as standard screening. Those who benefit most from regular NBS - Congenital Hypothyroidism (TSH) testing include adults above 40, people with sedentary lifestyles or BMI above 25, those managing chronic conditions, smokers, and anyone whose previous result was borderline. Early detection through regular testing in Kolkata is consistently more cost-effective than treating advanced disease.

What conditions can NBS - Congenital Hypothyroidism (TSH) help diagnose?

The conditions diagnosable through NBS - Congenital Hypothyroidism (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 NBS - Congenital Hypothyroidism (TSH) results mean?

TSH above 4.0 mIU/L with low free T4: hypothyroidism , levothyroxine replacement is started and TSH rechecked every 6–8 weeks until stable. TSH below 0.4 mIU/L with high free T3/T4: hyperthyroidism , requires antibody tests and thyroid scan. Elevated anti-TPO with normal TSH: autoimmune thyroid disease (Hashimoto's) , monitor annually as this often progresses to hypothyroidism over years.

How often should NBS - Congenital Hypothyroidism (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 NBS - Congenital Hypothyroidism (TSH) results are ready?

Book a follow-up consultation after reviewing your results. GetVisit stores your reports alongside your previous test history, so your doctor sees your full health trend , not just today's snapshot. This longitudinal context significantly improves the clinical value of each repeat test.