Days Set Up
Daily, 24 hours
Analytic Time

2 hours

MiChart Code
hCG, Beta CSF
Soft Order Code
BHCSF

Test Updated:

Synonyms

HCG Beta Subunit, CSF

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Test Overview

Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

CSF levels of HCG are a useful aid in the diagnosis of primary central nervous system (CNS) germ cell tumors (GCTs), as well as an adjunct in the diagnosis of CNS metastases of germ cell tumors (both testicular and choriocarcinoma), and for monitoring recurrence after treatment of these tumors. Elevated levels of HCG in CSF indicate likely presence of one of these types of tumors. Quantitation of HCG in CSF can be important in guiding treatment or monitoring response to treatment.

Reference Range

0 - 10 mIU/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Instructions

Collect spinal fluid; refrigerate.

Normal Volume
0.5 mL CSF
Minimum Volume
0.25 mL CSF

Billing Information

CPT Code
84702
Pro Fee Code
 
Insurance Auth Info
 
LOINC
44001-6

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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.