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Ultra Thyroid Stimulating Hormone (TSH)
Investigation Result Units Biological Reference Interval

ULTRA Thyroid Stimulating Hormone (TSH) <0.005 uIU/mL 0.27 - 4.2
Frist trimester: 0.3- 4.5
Second trimester : 0.5 -4.6
Third trimester : 0.8 -5.2
• Sample Type : Serum.
• Method : ECLIA.

• Comments : - TSH levels are subject to circadian variation, reaching peak levels between 2 - 4.a.m. and at a minimum between 6-10 pm . - The variation is of the order of 50% , hence time of the day has influence on the measured serum TSH concentrations. • Clinical Use : - Diagnose Hypothyroidism and Hyperthyroidism. - Monitor T4 replacement or T4 suppressive therapy. - Quanitify TSH levels in the subnormal range. • Increased Levels : Primary hypothyroidism, Subclinical hypothyroidism, TSH dependent Hyperthyroidism Thyroid hormone resistance. • Decreased Levels : Graves disease, Autonomous thyroid hormone secretion, TSH deficiency. • References : - Henry’s Clinical Diagnosis and Management, 23rd edition. - Tietz Fundamentals of Clinical Chemistry and Molecular Diagnosis, 7th edition. •Disclaimer: 1) The above result relate only to the specimens received and tested in laboratory and should be always correlate with clinicalfindings and other laboratory markers. 2) Improper specimen collection, handling,storage and transportation may result in false negative/Positive results.

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Free T3
Investigation Result Units Biological Reference Interval

Free T3 3.79 pg/mL 2.0 - 4.4
• Sample Type : Serum.
• Method : ECLIA.

• Clinical Use : Diagnose and monitor treatment of Hyperthyroidism. Clarify thyroid status in presence of possible protein binding abnormality. • Increased Levels: Graves disease, T3 thyrotoxicosis, Thyroid hormone resistance, Functional thyroid adenoma ( T3 producing). • Decreased Levels: Nonthyroidal illness, Hypothyroidism , Nutritional deficiency. • Disclaimer : 1) The above result relate only to the specimens received and tested in laboratory and should be always correlate with clinical findings and other laboratory markers. 2) Improper specimen collection, handling,storage and transportation may result in false negative/Positive results.

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Free T4
Investigation Result Units Biological Reference Interval

Free T4 1.39 ng/dl 0.93 - 1.7
• Sample Type : Serum.
• Method : ECLIA.

• Clinical Use : 1. Initial test of thyroid function in patients with suspected thyroid dysfunction. 2. Assess thyroid status in patients with abnormal total T4 concentrations. 3. Distinguish Euthyroid hyperthyroxinemias from hypothyroidism. • Increased Levels: Thyroid hormone resistance, Hyperthyroidism. • Decreased Levels: Primary hypothyroidism, Secondary hypothyroidism.

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