Beta Human Chorionic Gonadotropin, Quantitative (Serum)
Hormones marker
Beta-hCG (Quantitative)
Beta Human Chorionic Gonadotropin, Quantitative (Serum)
The quantitative serum measurement of the beta subunit of human chorionic gonadotropin. This is a diagnostic blood test used to detect pregnancy and, in men and non-pregnant women, to screen for certain germ-cell and trophoblastic tumours. It is distinct from the injectable hCG drug that bodybuilders use: this entry is the lab measurement of the hormone in your blood, not a compound you administer.
PED Notes
Important not to confuse this lab test with hCG the drug. Many AAS users inject hCG to maintain testicular function or during PCT, and doing so will produce a positive/elevated serum beta-hCG on this test, which is expected and not a cause for alarm. In a man who is NOT using hCG, a persistently elevated beta-hCG is abnormal and warrants investigation for a testicular germ-cell tumour, so knowing your own hCG use is essential to interpret the result. If you have injected hCG, note the timing: it can remain detectable for days to a couple of weeks depending on dose and ester.
When high
When elevated in a man or non-pregnant woman:
- First establish exogenous hCG use. If you have injected hCG (on-cycle support or PCT), a positive quantitative beta-hCG simply reflects the drug and needs no workup; it will fall once the injections clear
- If you have NOT used hCG, a genuinely elevated beta-hCG is abnormal. In men the priority is to exclude a testicular germ-cell tumour: testicular examination, scrotal ultrasound, and the tumour markers AFP and LDH
- Other sources include trophoblastic disease, rarely other germ-cell tumours, and occasional pituitary-derived hCG in older adults
- Repeat testing and clinical correlation are essential before drawing conclusions; a single mildly raised value in an hCG user is meaningless
Action: If you are not on hCG and the value is confirmed elevated, see a physician promptly for tumour-marker workup. Do not attempt to self-manage.
When low
When low or undetectable:
- In a man or non-pregnant woman not using hCG, an undetectable beta-hCG is the normal, expected result and is reassuring
- No action is required
History Chart
Reading History
Frequently Asked Questions
Reference Ranges
Standard Range