Days Set Up
Wednesday
Analytic Time

2 - 9 days

MiChart Code
Pituitary Tumor Marker, Alpha Subunit (Sendout)
Soft Order Code
APGH

Test Updated:

Synonyms

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

Test Methodology

Immunochemiluminescent Assay (ICMA)

Test Usage

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.

Reference Range

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

Offsite Collection Instructions

Collect specimen in a red top tube. Centrifuge, aliquot serum into a plastic vial and freeze.

Red Top Tube
Normal Volume
1 ml serum
Minimum Volume
0.35 ml

Billing Information

CPT Code
82397
Pro Fee Code
 
Insurance Auth Info
 
LOINC
14170-5

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.