CPT Code: 84702
Order Code: 8396
ABN Requirement: No
Alternative Name(s): Human Chorionic Gonadotropin (hCG), Chorionic Gonadotropin
Specimen: Serum
Volume: 1.0 mL
Minimum Volume: 0.3 mL
Container: Gel-barrier tube (SST)
Collection:
- Collect and label sample according to standard protocols.
- Gently invert tube 5 times immediately after draw. Do not shake.
- Allow blood to clot 30 minutes.
- Centrifuge for 10 minutes.
Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions included with the provided shipping box.
Stability:
Ambient (15-25°C): 7 days
Refrigerated (2-8°C): 7 days
Frozen (-20°C): 28 days
Causes for Rejection: Specimens other than serum; improper labeling; samples not stored properly; samples older than stability limits
Methodology: Immunoassay (IA)
Turn Around Time: 2 to 3 days
Reference Ranges:
| Male | <5 mIU/mL |
| Female, Non-pregnant or Premenopausal | <5 mIU/mL |
| Female, Postmenopausal | <10 mIU/mL |
Clinical Significance: hCG may reach detectable limits within 7-10 days of conception. hCG is produced by the placenta and reaches a peak between the 7th and 10th week of gestation. hCG is a glycoprotein hormone produced by the syncytiotrophoblast of the placenta and secreted during normal pregnancy and with pathologic conditions such as hydatidiform mole, choriocarcinoma and testicular neoplasm. Order hCG, Qualitative, Urine, if hCG serum result is inconsistent with clinical presentation.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.