Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

HCG, BETA, CSF

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1345         Geisinger Epic ID: 53305

SPECIMEN COLLECTION
Specimen type:
CSF
Preferred collection container:
Specimen required:
1 mL CSF; minimum 0.5 mL.

SPECIMEN PROCESSING
Transport temperature:
Room temperature.
Specimen stability:
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 60 days.

TEST DETAILS
CPT code(s):
84702
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Immunochemiluminometric
Synonyms:
Quest test code 93927; hCG, Beta, C; Beta hCG CSF,hCG CSF
Clinical significance:
This test is an aid in the diagnosis of brain metastases of testicular cancer or extragonadal intercerebral germ cell tumors in adults and pediatric patients. Elevated levels of human chorionic gonadotropin in spinal fluid indicate the probable presence of central nervous system metastases or recurrence of tumor in patients with germ cell tumors, including patients with testicular cancer or choriocarcinoma. This assay measures the nicked and non-nicked hCG, as well as the free beta subunit.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Daily; Report available: 2-3 days    
Performed stat? No
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