A sugar-coated protein found on cell surfaces that enters the blood when certain cancers, especially colorectal cancer, are active or returning.
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Ulta Lab Testscheapest via Quest · seen 5mo ago | Quest | 5mo ago | $29.95 | order → |
| 2 | Jason Health via Quest · seen today | Quest | today | $30 | order → |
| 3 | Instalab via Multi-lab (4) · seen today | Multi-lab (4) | today | $45 | order → |
| PSA, Free and Total | 5 retailers | $12 |
| Alpha-fetoprotein AFP Blood Test | 5 retailers | $46.95 |
| PSA | 4 retailers | $41 |
| Prostate-Specific Antigen (PSA), Free-to-Total Ratio | 4 retailers | $85 |
| Prostate-Specific Antigen (PSA) Test | 4 retailers | $35 |
| He4, Ovarian Cancer Monitoring | 4 retailers | $179.95 |
| Cancer Antigen 125 Test | 3 retailers | $52 |
| PSA, Total | 3 retailers | $15 |