What levels indicate pernicious anemia?
Your vitamin B12 level. A low level of vitamin B12 in the blood indicates pernicious anemia. However, a falsely normal or high value of vitamin B12 in the blood may occur if antibodies interfere with the test. Your homocysteine and methylmalonic acid (MMA) levels.
What is too low in pernicious anemia?
Pernicious anemia, one of the causes of vitamin B12 deficiency, is an autoimmune condition that prevents your body from absorbing vitamin B12. Left untreated, pernicious anemia can cause serious medical issues, including irreversible damage to your nervous system.
What is considered a low B12 level?
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.
At what level is anemia severe?
For all of the tested groups, moderate anemia corresponds to a level of 7.0-9.9 g/dl, while severe anemia corresponds to a level less than 7.0 g/dl.
What will be elevated in a patient with pernicious anemia?
Many patients with pernicious anemia will have elevated serum homocysteine and methylmalonic acid levels.
What should a women’s B12 level be?
Vitamin B-12 results
| Results based on picograms per milliliter (pg/mL) | |
|---|---|
| below 150 pg/mL | low |
| 200 to 600 pg/mL | normal |
| 800 pg/mL | high |
Is 350 a low B12 level?
A serum vitamin B12 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 B12 levels or elevated serum methylmalonic acid and homocysteine levels.
Does pernicious anemia cause low hemoglobin?
People with pernicious anemia often have very low hemoglobin but few symptoms of low hemoglobin, such as fatigue. They may also develop low levels of white blood cells (important in fighting infections) and platelets (needed to help clot blood and stop bleeding).