FT4 Test Kit

Introduction FT4 Test Kit

The Free Thyroxine (FT4) Test Kit is designed for the quantitative measurement of free T4 in human serum or plasma. FT4 is an important marker used in assessing thyroid function and is commonly interpreted alongside TSH. The kit is supplied in a 100-test pack and is stated to be compatible with the CLIA PV 1800 analyzer.

The Free Thyroxine (FT4) Test Kit is designed for the quantitative measurement of free T4 in human serum or plasma. FT4 is an important marker used in assessing thyroid function and is commonly interpreted alongside TSH. The kit is supplied in a 100-test pack and is stated to be compatible with the CLIA PV 1800 analyzer.

Clinical Applications of the Free T4 Test Kit

Free T4 measurement supports the assessment of thyroid function and the evaluation of conditions such as hypothyroidism and hyperthyroidism. When interpreted alongside TSH and the patient's clinical presentation, FT4 results provide additional information about thyroid hormone status.

Potential laboratory applications include:

• Quantitative measurement of Free T4 in human serum or plasma

• Supporting the assessment of thyroid function

• Evaluation of suspected hypothyroidism or hyperthyroidism

• Use in clinical diagnostic laboratories and related laboratory settings

FT4 results should be interpreted using the laboratory's reference interval and in conjunction with TSH, the patient's clinical presentation, and factors that may affect test results. An FT4 result alone is not sufficient to establish a definitive diagnosis of a thyroid disorder.

General Product Specifications

Key Features of the FT4 Test Kit

The kit is intended for quantitative measurement of free thyroxine in laboratory settings. Its 100-test format can help laboratories plan routine testing and inventory requirements.

Key features include:

• Quantitative Free T4 measurement: Measures the free fraction of thyroxine in patient samples.

• 100-test pack: Supports laboratory stock and testing-volume planning.

• Stated compatibility with CLIA PV 1800: Verify compatibility with the specific analyzer model and the manufacturer's technical instructions before use.

• Support for thyroid assessment: Can be used alongside other thyroid function tests as clinically indicated.

Why Measure Free T4?

Thyroxine (T4) circulates in the blood in both free and protein-bound forms. The Free T4 test measures the unbound fraction and is generally less affected by changes in hormone-binding proteins, such as thyroxine-binding globulin (TBG), than a Total T4 test. However, certain clinical conditions and laboratory interferences may still affect results.

Elevated or reduced FT4 levels may occur in thyroid disorders, but interpretation depends on TSH levels, symptoms, medications, and the patient's broader clinical context. Additional testing may be needed in some cases.

Buying the Free T4 Test Kit

Before purchasing a Free T4 test kit, review the accepted sample types, assay method, pack size, storage requirements, and compatibility with your laboratory analyzer. Check the product insert and manufacturer's instructions before routine use.

For current pricing and ordering information for the 100-test FT4 kit, contact Padina Vista's sales team.

Technical Specifications FT4 Test Kit

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