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hCG, Total, Quantitative
Test Code8396
Alias/See Also
LAB752
NON-PREGNANCY or MALES
Human Chorionic Gonadotropin, Quant
NON-PREGNANCY or MALES
Human Chorionic Gonadotropin, Quant
CPT Codes
84702
Preferred Specimen
1 mL serum
Minimum Volume
0.3 mL
Transport Container
Serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Immunoassay (IA)
Setup Schedule
Tues-sat
Limitations
Heterophilic antibodies may produce low false-positive results; urinary hCG is negative if "phantom" hCG is suspected. Pituitary secretion may be a source of low level hCG in post menopausal women
Reference Range
| Male | <5 mIU/mL |
| Female | |
| Non-pregnant or Premenopausal | <5 mIU/mL |
| Postmenopausal | <10 mIU/mL |
Values from different assay methods may vary. The use of this assay to monitor or to diagnose patients with cancer or any condition unrelated to pregnancy has not been cleared or approved by the FDA or the manufacturer of the assay.
Clinical Significance
hCG may reach detectable limits within 7-10 days of conception. hCG is produced by the placenta and reaches a peak between the 7th and 10th week of gestation. hCG is a glycoprotein hormone produced by the syncytiotrophoblast of the placenta and secreted during normal pregnancy and with pathologic conditions such as hydatidiform mole, choriocarcinoma and testicular neoplasm. Order hCG, Total, Qualitative, Urine, if hCG serum result is inconsistent with clinical presentation.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |