2 - 9 days
Test Updated:
HCG Alpha Subunit
Human Chorionic Gonadotropin, Alpha Subunit
Alpha Subunit, Pituitary Glycoprotein Hormones
Alpha Subunit HCG
Alpha PGH
APGH
Pituitary Glycoprotein Hormones, Alpha Subunit
Alpha-Subunit (HCG, TSH, FSH, LH)
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Test Overview
Immunochemiluminescent Assay (ICMA)
Quantitating the alpha-subunit has been advocated as a monitoring test to detect the recurrence of tumors in patients who have undergone resection of pituitary adenomas.
Pediatric: < or = 5 days: < or = 50 ng/mL; 5 days - < 3 months: < or = 10 ng/mL; 3 months - < 2 years: < or = 1.2 ng/mL; 2 years - puberty onset: < or = 1.2 ng/mL; Tanner II - IV: < or = 1.2 ng/mL; Adults: Males: < or = 0.5 ng/mL; Premenopausal females: < or = 1.2 ng/mL; Postmenopausal females: < or = 1.8 ng/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a red top tube. Centrifuge, aliquot serum into a plastic vial and freeze.
