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Thyroid Function Assessment

Detect thyroid imbalances that mimic stress and aging

1 in 10 Indians have a thyroid disorder— Indian Thyroid Society

Thyroid disorders are among the most common yet most underdiagnosed conditions in India. Your thyroid gland controls metabolism, energy, mood, weight, and even heart rate. When it underperforms (hypothyroidism), symptoms like fatigue, weight gain, brain fog, and hair loss develop so gradually that most people attribute them to stress or aging. A simple TSH blood test can detect thyroid problems years before symptoms become obvious — when intervention is simplest and most effective.

Key Blood Markers

TSH

Primary thyroid function marker

mIU/L

Normal: 0.4 – 4.0At Risk: 4.0 – 10Danger: > 10 or < 0.1

Free T4

Active thyroid hormone level

ng/dL

Normal: 0.8 – 1.8At Risk: 0.6 – 0.8Danger: < 0.6

Free T3

Most active thyroid hormone

pg/mL

Normal: 2.3 – 4.2At Risk: 1.8 – 2.3Danger: < 1.8

Anti-TPO

Autoimmune thyroid indicator

IU/mL

Normal: < 35At Risk: 35 – 100Danger: > 100

🤖How Report2Doctor Helps

R2D BioIndex V3 detects subclinical hypothyroidism (elevated TSH with normal T4) — a silent condition that most labs report as 'normal'. It evaluates TSH, Free T4, and Free T3 together, identifying conversion issues (T4-to-T3) that indicate thyroid stress even when individual markers appear borderline normal.

Risk Factors

Female gender (8x higher risk)Family history of thyroid diseaseAge > 35Postpartum periodAutoimmune conditionsIodine deficiencyRadiation exposureType 1 diabetes