Free Thyroxine (FT4) Test Report Format
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What is the FT4 Test?
The Free Thyroxine (FT4) test measures the level of free thyroxine, a thyroid hormone, in the blood. It helps evaluate thyroid function and diagnose conditions such as hypothyroidism or hyperthyroidism.
What is an FT4 Report Format?
An FT4 report shows the measured FT4 level in the blood, typically in nanograms per deciliter (ng/dL), compared to the reference range for thyroid health assessment.
Tests Included in FT4 Report
Test | Description |
FT4 | Measures the concentration of free thyroxine in the blood, reflecting thyroid activity. |
Key Parts of an FT4 Report
Key Part | Description |
FT4 Level | The amount of FT4 in the blood, typically measured in ng/dL. |
Normal Range | The reference range for FT4 to evaluate normal thyroid function. |
Normal Range for FT4 Report
Test | Normal Range |
FT4 | 0.7 – 1.8 ng/dL (varies with age and sex) |
Parameters to Consider in FT4 Report
Parameter | Interpretation |
FT4 Level | High levels indicate hyperthyroidism, while low levels suggest hypothyroidism. |
Guidelines for FT4 Report Format
Guideline | Description |
Test Results | Present the FT4 level in ng/dL for clear interpretation of thyroid function. |
Interpretation | Provide context on whether the FT4 result is within normal limits or suggests thyroid dysfunction. |
What Do the Results Mean?
Result Type | Interpretation |
High FT4 Levels | Elevated FT4 levels suggest hyperthyroidism, indicating an overactive thyroid. |
Low FT4 Levels | Low FT4 levels suggest hypothyroidism, indicating an underactive thyroid. |
FT4 Report Interpretation
Test | Interpretation |
FT4 | High FT4 levels indicate hyperthyroidism, while low FT4 levels suggest hypothyroidism. |
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