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Beta HCG
Investigation Result Units Biological Reference Interval

Beta HCG <0.100 mIU/mL Non Pregnant: < 5

• Sample Type: Serum. • Method: ECLIA. • Weeks Of Gestation HCG : Week Range | Week Range 3 Weeks 5.40 - 72.0 | 10 Weeks 44186-170409 4 Weeks 50 - 708 | 12 Weeks 27107 -201615 5 Weeks 217 - 8245 | 14 Weeks 24302 - 93646 6 Weeks 152 - 32177 | 15 Weeks 12540 - 69747 7 Weeks 4059 - 153767 | 16 Weeks 8904 - 55332 8 Weeks 31366 - 149094 | 17 Weeks 8240 - 51793 9 Weeks 59109-135901 | 18 Weeks 9649 - 55271 • Note : This test is not recommended to screen Germ cell tumors in the general population. HCG levels may appear consistently elevated / depressed due to the interference by heterophilic antibodies, nonspecific protein binding, HCG like substances & certain medications • Clinical Use : 1. An aid in the management of Trophoblastic tumors. HCG is elevated in nearly all patients and correlates with tumor volume and disease prognosis. It is also useful in monitoring therapy. Persistent HCG levels following therapy indicate the presence of residual disease. During chemotherapy, weekly HCG measurement is recommended. After remission is achieved, yearly HCG measurement is recommended to detect relapse. 2. Monitoring Germ cell tumors, Non seminomatous testicular tumors & less frequently Seminomas. HCG alone is useful in identifying Trophoblastic tumors, and alongwith AFP in detecting Non seminomatous testicular tumors. • Increased Levels are seen in Testicular tumors , Ovarian Germ cell tumors, Gestational Trophoblastic disease, Non germ cell tumors – Melanoma & Carcinomas of breast, GI Tract, Lung & Ovary.b Benign conditions like Cirrhosis, Duodenal ulcer and Inflammatory bowel disease. • 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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Thyroid Function Test (TFT)
Investigation Result Units Biological Reference Interval

T3 (Triiodothyronine) 1.42 ng/mL 0.8 - 2.0
• Sample Type : Serum.
• Method : ECLIA.
T4 (Thyroxine) 8.91 ug/dl 5.1 - 14.1
• Sample Type : Serum.
• Method : ECLIA.
ULTRA Thyroid Stimulating Hormone (TSH) 3.65 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.

1) 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. 2) Recommended test for T3 and T4 is unbound fraction or free levels as it is metabolically active. 3) Physiological rise in Total T3 / T4 levels is seen in pregnancy and in patients on steroid therapy. Clinical Use : • Primary Hypothyroidism • Hyperthyroidism • Hypothalamic – Pituitary hypothyroidism • Inappropriate TSH secretion • Nonthyroidal illness • Autoimmune thyroid disease • Pregnancy associated thyroid disorders. • 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 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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