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Vitamin B12 below range. Need more info
I am a 20 year old male. I got my Complete Blood Count test (CBC) and also Vitamin B12 test done (I had symptoms of memory loss, depression and mania and read about Vit B12 deficiency online which had listed similar symptoms).

I have attached the diagnostic reports of my tests as a photo.

My reports of Complete Blood Count test indicate all values within range but the Vitamin B12 test shows 95 pg/ml whereas the reference range given for comparison is 211-946 pg/ml.

1) Does the report warrant medical attention?
2) What diagnostic tests are further needed to detect possible dietary deficiency or absorption problems in body?
3) Could I be having some type of anemia?
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1 Answers
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1756321 tn?1377771734
95 pg/mL is severe vitamin B12 deficiency.  Treatment is needed ASAP!!  In Japan and Europe, the lowest acceptable level of B12 is either 500 or 550 pg/mL. Optimal B12 serum is over 800pg/mL.  There are many causes of vitamin B12 deficiency as mentioned below.  Anaemia is the final stage of B12 deficiency.  Your labs do not show anaemia however.

Causes of vitamin B12 deficiency include:

Decreased stomach acid
Atrophic gastritis
Autoimmune pernicious anaemia
Helicobacter pylori
Gastrectomy, intestinal resection
Gastric bypass surgery
Malabsorption syndromes
Crohn's disease
Celiac disease
Chronic pancreatitis
Bacterial overgrowth (small bowel)
Fish tapeworm
Alcoholism
Malnutrition - eating disorders
Vegetarianism
Advanced liver disease
Transcobalamin II deficiency
Inborn errors of B12 metabolism
Certain drugs
Nitrous oxide
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