What is the normal range for active B12?
The normal range for vitamin B12 can vary slightly depending on the lab. But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing.
What do B12 levels indicate?
Interpreting B-12 test results Both high and low levels of vitamin B-12 may indicate an underlying problem. Low levels of B-12 can suggest anemia, an internal parasite, and hyperthyroidism. High levels of B-12 may increase your risk for cancer, according to Medical Daily.
What is considered a low B12 level pmol L?
Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.
What is considered a low B12 level Australia?
1.1. 7 Serum vitamin B12 target values
| Status | Vitamin B12 levels |
|---|---|
| Normal range | 200-900 pg/ml† (130-850 pmol/L) |
| Deficient | < 200* pg/ml (< 130 pmol/L) |
Does high B12 mean leukemia?
An abnormally high vitamin B-12 status can be an early sign of liver disease, diabetes, or certain types of leukemia. A doctor may use the results of a vitamin B-12 test to help form their diagnosis.
Does lack of B12 cause weight gain?
People with vitamin B12 deficiency are likely to experience a wide range of symptoms, though weight gain is unlikely one of them.
What is considered severe B12 deficiency?
A serum B12 above 300 pg/mL is interpreted as normal. Patients with B12 levels between 200 and 300 pg/mL are considered borderline, and further enzymatic testing may be helpful in diagnosis. Patients with B12 levels below 200 pg/mL are considered deficient.