16 ordering services comparedPrices last checked 19 hours ago
Measures the level of vitamin B12, essential for nerve function and red blood cell production. Diagnoses B12 deficiency and related anemia; investigates neurological symptoms like numbness or fatigue.
These are online lab ordering services — not the physical draw site. Once you purchase a requisition, you visit a nearby Quest or LabCorp patient service center for your blood draw. Prices are self-pay cash rates and may vary by location.