cpt code 82607, CYANOCOBALAMIN . aka B-12
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∙ 15y agoA B12 test may be ordered separately or with other screening tests.
Fasting is not necessary for a B12 blood test. You can have this test done at any time of the day, with or without food.
Fasting is generally not required before a B12 blood test. However, it is always best to follow your healthcare provider's specific instructions when preparing for any type of blood test.
The SR B12 blood test measures the levels of vitamin B12 in your blood. It is used to diagnose vitamin B12 deficiency, which can lead to symptoms like fatigue, weakness, and nerve problems. Low levels of vitamin B12 can be caused by conditions like pernicious anemia, malabsorption issues, or a diet lacking in B12-rich foods.
B12 deficiency
Fasting is generally not required for B12 and folate blood tests. These tests can be done at any time of the day without fasting.
low in B12 or iron
High B12 levels in a blood test can be caused by conditions such as liver disease, kidney failure, or certain types of cancer. Excessive intake of B12 supplements or vitamin injections can also lead to elevated levels in the blood.
Normal level should be between 134-675 pmol/L as per a hospital lb test sheet
Vitamin B12 deficiency is when there is a low blood level of vitamin B12. If it is left untreated, it can cause damage to nervous tissue. There is a wealth of information regarding B12 deficiency on the Wikipedia site.
Without B12, red blood cell production is greatly reduced
Elevated serum B12 is rare, and usually indicates a serious, potentially life-threatening disorder. Levels of B12 in the blood may be increased in myeloproliferative disorders, such as chronic myelogenous leukemia (cancer of the blood) or polycythemia vera (a disease characterized by an increased number and abnormal shape of red blood cells). Elevated B12 can also occur in liver disease such as hepatitis, when liver cells are broken down and release B12 into the blood.