also known as Cobalamin (Vitamin B12) in Serum or Plasma
B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Goodlabscheapest via Quest · seen today | Quest | today | $10 |
| order → |
| 2 | Jason Health via Quest · seen today | Quest | today | $15 | order → |
| 3 | Instalab via Multi-lab (5) · seen today | Multi-lab (5) | today | $16 | order → |
| 4 | Goodlabs via LabCorp · seen today | LabCorp | today | $17 | order → |
| 5 | Goodlabs via BioReference · seen today | BioReference | today | $19 | order → |
| 6 | Ulta Lab Tests via Quest · seen 4mo ago | Quest | 4mo ago | $28.95 | order → |
| 7 | DirectLabs via Quest Diagnostics · seen today | Quest Diagnostics | today | $34 | order → |
| 8 | HealthLabs seen today | — | today | $35 | order → |
| 9 | Walk-In Lab via LabCorp,Quest · seen today | LabCorp,Quest | today | $35 | order → |
| 10 | LabCorp OnDemanddirect via LabCorp · seen 5d ago | LabCorp | 5d ago | $49 | order → |
| 11 | QuestDirectdirect via Quest · seen 5d ago | Quest | 5d ago | $49 | order → |
| 12 | LabsMD seen today | — | today | $49 | order → |
| 13 | Accesa Labs seen today | — | today | $49 | order → |
| 14 | Verisana Lab seen today | — | today | $59 | order → |
| 15 | DiscountedLabs seen today | — | today | $78 | order → |
| 16 | Personalabs via LabCorp · seen today | LabCorp | today | $81 | order → |
| Magnesium RBC Test | 15 retailers | $8 |
| Ferritin | 15 retailers | $9 |
| Iodine Test | 14 retailers | $30 |
| Calcium, Ionized | 14 retailers | $18 |
| Selenium | 12 retailers | $12 |
| Iron Test | 11 retailers | $18.98 |
| Zinc, Blood Test | 11 retailers | $11 |
| Vitamin D, 25 Hydroxy | 10 retailers | $14 |