Beta HCG – Human Chorionic Gonadotropin – is a hormone produced during pregnancy which shows up in the blood. It is a blood test to diagnose pregnancy. The High Voltage test sets HPG 50 to H are suitable for 50 Hz AC-testing (35 to 78 kVRMS) and DC-testing up to kV. The HPG 50 to D are suitable. A qualitative HCG blood test checks if there is a hormone called human chorionic gonadotropin in your blood. HCG is a hormone produced in.