HCG Tumor Marker, Serum
| Abbrev Code: | HCGTM | ||
| Order Code: | LAB752 | Order Name: | HCG Tumor Marker |
| Synonyms: | Chorionic Gonadotropin; Beta-hCG; Beta HCG; BHCG; HCGTM | ||
| Methodology: | Chemiluminescent immunoassay | ||
| CPT Codes: | 84702 x1 | ||
| Turnaround Time: | Performed Mon-Fri; results are reported the same day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.4 mL |
| Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
| Causes for Rejection: | Samples not separated from cells within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Within 2 hours of collection, centrifuge and aliquot 0.3 mL, 0.12 mL minimum. Store at refrigerated temperature for up to 7 days, otherwise freeze. |
| Shipping Instructions: | Ship at refrigerated temperature. Alternatively, ship on dry ice. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Immulite H) |
Interpretive
| Critical Range: | |
| Reference Range: | 0-5 IU/L for healthy non-pregnant person. The Siemens Immulite 2000 HCG chemiluminescent immunoassay method is used. Results obtained with different assay methods or kits cannot be used interchangeably. |
| Use: | Useful in the diagnosis and management of testicular tumors. High levels may be found with choriocarcinoma, embryonal cell carcinoma, ectopic pregnancy, chorioadenoma destruens, and hydatidiform mole. The assay measures both intact hCG and free beta subunits. |
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