Serum Thyroxine (T4) Test Report Format
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What is the T4 Test?
The Serum Thyroxine (T4) test measures the level of T4, a thyroid hormone, in the blood. T4 is essential for regulating metabolism, energy production, and overall thyroid function, and abnormal levels can indicate thyroid dysfunction.
What is a T4 Report Format?
A T4 report presents the measured T4 level in the blood, typically in micrograms per deciliter (µg/dL), compared to the reference range for assessing thyroid health and function.
Tests Included in T4 Report
Test | Description |
T4 | Measures the concentration of thyroxine (T4) in the blood, reflecting thyroid activity. |
Key Parts of a T4 Report
Key Part | Description |
T4 Level | The amount of T4 in the blood, typically measured in µg/dL. |
Normal Range | The reference range for T4 to assess thyroid function. |
Normal Range for T4 Report
Test | Normal Range |
T4 | 4.5 – 12.5 µg/dL |
Parameters to Consider in T4 Report
Parameter | Interpretation |
T4 Level | High levels of T4 suggest hyperthyroidism (overactive thyroid), while low levels indicate hypothyroidism (underactive thyroid). |
Guidelines for T4 Report Format
Guideline | Description |
Test Results | Report the T4 level in µg/dL for easy comparison with the reference range. |
Interpretation | Provide context on whether the result is within normal limits or suggests thyroid dysfunction. |
What Do the Results Mean?
Result Type | Interpretation |
High T4 Levels | Elevated T4 levels are commonly seen in hyperthyroidism, particularly in conditions like Graves' disease. |
Low T4 Levels | Low T4 levels suggest hypothyroidism, where the thyroid gland is underactive. |
T4 Report Interpretation
Test | Interpretation |
T4 | High T4 levels point to hyperthyroidism, while low T4 levels indicate hypothyroidism. |
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