C-22 - Asbestos Abatement Contractor. This classification description is an excerpt of the regulation that established the C-22 Asbestos Abatement contractor classification. Click here for the full text of the regulations that relate to the C-22 classification.
The liver is one of the main sites of storage for vitamin B-12. Approximately 60 percent of the vitamin B-12 in the body is stored in the liver, with another 30 percent stored in muscles.
Test Overview. A vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and to maintain a healthy nervous system. Vitamin B12 is found in animal products such as meat, shellfish, milk, cheese, and eggs.Most people who eat animal products are not likely to develop vitamin B12 deficiency anemia unless their bodies can't absorb it from food. vitamin B12 test is used to: 1  Check for vitamin B12 deficiency anemia. 2  Diagnose the cause of certain types of anemia, such as megaloblastic anemia. 3  Help find the cause of dementia or other nervous system symptoms, such as tingling or numbness of the arms or legs (peripheral neuropathy). 4  See if vitamin B12 deficiency anemia is present after a ...