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This is an old thyroid hormone report
Reading File
analyse_media
Here is a full breakdown of this thyroid hormone report for Mr. Narain Karthi, 20 years, Male (collected 08/01/2026):
Thyroid Function Test Results
| Test | Result | Unit | Reference Range | Status |
|---|---|---|---|---|
| FT3 (Free Triiodothyronine) | 3.78 | pg/mL | 2.0 - 4.4 | ✅ Normal |
| FT4 (Free Thyroxine) | 1.53 | ng/dL | 0.93 - 1.7 | ✅ Normal |
| TSH (Ultrasensitive) | 1.39 | µIU/mL | 0.54 - 5.3 | ✅ Normal |
Interpretation
All three thyroid hormone values are well within normal limits. This indicates normal thyroid function (euthyroid state) at the time of testing.
What each value tells us:
- FT3 = 3.78 pg/mL - Active thyroid hormone, sits comfortably in the upper-mid normal range. No excess (hyperthyroid) or deficiency (hypothyroid) pattern.
- FT4 = 1.53 ng/dL - The main hormone produced by the thyroid gland, also in the upper-mid normal range. Healthy conversion to FT3 is implied.
- TSH = 1.39 µIU/mL - The pituitary's signal to the thyroid. This is the most sensitive marker. A value around 1-2 µIU/mL is considered optimal. There is no suppression (which would suggest hyperthyroidism) and no elevation (which would suggest hypothyroidism).
Points to Note
- The report is from January 2026 (collected 08/01/2026, reported 16/01/2026) - this is an older snapshot of thyroid status.
- The lab used ECLIA (Electrochemiluminescence Immunoassay), a gold-standard method.
- As the report notes, TSH can fluctuate with illness, pregnancy, certain drugs (iodine, lithium, amiodarone, L-dopa, glucocorticoids), and even time of day due to circadian rhythm - so single results should be interpreted in clinical context.
- Patients on high-dose Biotin (>5 mg/day) should be aware it can interfere with immunoassay results.
Bottom line: This is a completely normal thyroid panel. No thyroid disorder is indicated by these January 2026 results.
⚠️ This is informational only and not a substitute for advice from the treating physician, Dr. Muthukumaran, who referred the test.
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