What is the normal level of vitamin B12?
Normal values are 160 to 950 picograms per milliliter (pg/mL), or 118 to 701 picomoles per liter (pmol/L). Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or may test different samples.
What is a high B12 reading?
High. An abnormally high vitamin B-12 status is anything over 900 pg/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.
What is the unit of vitamin B12?
| Parameter: | C Units SI Units | CF: |
|---|---|---|
| vit B12 | pg/mL pmol/L | 0.738 |
What is low B12?
Vitamin B12 deficiency anemia happens when your body does not have enough healthy red blood cells because your body has a vitamin B12 deficiency. Vitamin B12 is needed to make red blood cells. Because of this, a lack of vitamin B12 can cause anemia. People can have a vitamin B12 deficiency without having anemia.
What if vitamin B12 is very high?
Elevated levels of serum cobalamin may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin.
Should I worry if my B12 is high?
Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless a healthcare professional prescribes it. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
Can too much B12 damage kidneys?
Kidney and Liver Problems If you have liver or kidney problems, consult with your doctor before taking over-the-counter vitamins containing B-12. Excess vitamin B-12 can damage liver and kidney cells, leading to symptoms of liver and kidney failure, according to Drugs.com.
What is the normal range of vitamin B12 in blood?
The results may be: Normal. The normal range for vitamin B-12 in the blood is between 200 and 900 nanograms per milliliter (ng/mL). People… Low. Levels of vitamin B-12 are low if they are below 200 ng/mL. This result suggests a vitamin B-12 deficiency,… High. An abnormally high vitamin B-12
What is a vitamin B-12 level test?
A vitamin B-12 level test determines a person’s vitamin B-12 status. A doctor may recommend this test to people who have symptoms of a deficiency or who have a higher risk of low vitamin B-12 in…
How do you know if you are vitamin B12-deficient?
Several tests can be used to determine if you are vitamin B12-deficient: Although total vitamin B12 is the most commonly used test, these 2 additional markers may provide important insight into your B12 status in specific cases. Active vitamin B12 makes up 6 – 20% of your total blood vitamin B12 levels [ 28, 29 ].
Is a B12 level of 300 good or bad?
Is a B12 level of 300 normal? A serum vitamin B 12 level between 200 pg/mL and 900 pg/mL is considered normal, but a threshold of 300 to 350 pg/mL is recognized as a marker for a desirable status in the elderly. The laboratory diagnosis is usually based on low serum vitamin B 12 levels or elevated serum methylmalonic acid and homocysteine levels.