This isolated B12 blood test is used to assess vitamin B12 levels in the body. It is typically included in routine blood work and does not require fasting. This test measures the amount of vitamin B12 in the bloodstream to help evaluate overall vitamin status and detect potential deficiencies. Fasting is not required for this lab.

A provider will approve your labs, and your Lab Requisition Form will be emailed to you within 24 business hours. Labcorp will also have this on file. Please bring a valid photo ID to your nearest Labcorp location. Results will be securely emailed as soon as they are available.