From: New discoveries on the biology and detection of human chorionic gonadotropin
Standard | Abbott AxSym | Baxter Stratus | Siemens ACS180 | Siemens Centaur | Beckman Access | Ortho Vitros Eci | Tosoh A1A | Roche Elecsys | Siemens Immulite |
---|---|---|---|---|---|---|---|---|---|
Regular hCG | + | + | + | + | + | + | + | + | + |
Hyperglycosylated hCG | + | + | + | + | + | + | + | ? | + |
Nicked hCG | + | + | + | + | + | + | + | ? | + |
Nicked hyperglycosylated hCG | + | + | + | + | + | + | + | ? | + |
Nicked hCG missing βCTP | - | - | - | - | - | - | X | - | + |
Free β | + | ? | ? | ? | ? | + | + | + | + |
Hyperglycosylated free β | + | ? | ? | ? | ? | + | + | ? | + |
Urine, β-subunit core fragment | - | - | - | - | - | - | - | - | + |