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T4 Fast Test Kit (Immunofluorescence Assay)

Getein T4 Fast Test Kit is used in the monitoring of hyperthyroidism and hypothyroidism, and also used as an aid in the functional diagnosis of thyroidea.

  • Test Item:         T4
  • Sample Type:  Serum/Plasma
  • Test Time:        15 min
  • Methodology: Immunofluorescence Assay
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T4 Fast Test Kit

(Immunofluorescence Assay)

Intended Use

T4 (Thyroxine) Fast Test Kit (lmmunofluorescence Assay) is intended for in vitro quantitative determination of T4 in human serum and plasma samples. It can be used in the monitoring of hyperthyroidism and hypothyroidism, and also used as an aid in the functional diagnosis of thyroidea.

About T4

The thyroid gland exerts powerful and essential regulatory influences on growth, differentiation, cellular metabolism and general hormonal balance, as well as on the maintenance of metabolic activity and the development of the sketeal and organ system.

T4 is the most commonly measured substance in the assessment of thyroid function. Most of the thyroxine secreted into the bloodstream is bound to a transport protein, thyroxine binding globulin (TBG), and to albumin and pre-albumin. Only less than 1% of thyroxine remains unbound as free T4 in blood. Elevated total thyroxine levels have been associated with hyperthyroidism, a condition with an excess amount of circulating thyroid hormone and decreased total thyroxine levels have been associated with hypothyroidism, a condition with insufficient levels of thyroxine concentration. Primary malfunction of the thyroid gland or any diseases affecting the thyroid-pituitary-hypothalamus system may result in the abnormal thyroxine concentration in blood. Measurement of thyroxine has been one of the most widely used method for evaluation of an individual’s thyroid status.


1. For Getein1100/ Getein1180

Package specifications: 25 tests/box, 10 tests/box

1) Getein T4 test card in a sealed pouch with desiccant

2) Disposable pipet

3) Sample diluent 1

4) User manual: 1 piece/box

5) SD card: 1 piece/box

2. For Getein1600:

Package specifications: 2×24 tests/box, 2×48 tests/box

1) Sealed cartridge with 24/48 Getein T4 test cards

2) User manual: 1 piece/box

Materials required for Getein1600:

1) Sample diluent: 1 bottle/box

2) Box with pipette tips: 96 tips/box

3) Mixing plate: 1 piece/box

Note: Do not mix or interchange different batches of kits.


Test Item Sample Method Storage Condition
T4 S/P Immunofluorescence


Detection Range Test Time Cut-off Value Shelf Life
5.40~320.00 nmol/L 15 min 59.00~154.00 nmol/L 24 months

Applicable Device

Getein1100 Immunofluorescence Quantitative Analyzer

Getein1180 Immunofluorescence Quantitative Analyzer

Getein1600 Immunofluorescence Quantitative Analyzer

Clinical Application

1. As an aid in the screening, clinical diagnosis, prognosis and therapeutic effect evaluation of thyroid diseases.

2. As an aid in the diagnosis of primary hyperthyroidism and primary hypothyroidism.

3. First strategy for abnormal thyroid function diagnosis.

4. As an aid in the monitoring during treatment of liver disease.

5. Monitoring of thyroid function during pregnancy.

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