What Causes Abnormal Vitamin B12 Levels?
Abnormal vitamin B12 levels can have various causes, just like most other symptoms. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose abnormal vitamin B12 levels, we could:
- Research the topic
- Find a doctor with the time
- Use a diagnostic computer system.
The process is the same, whichever method is used.
Step 1: List all Possible Causes
We begin by identifying the disease conditions which have "abnormal vitamin B12 levels" as a symptom. For example, vitamin B12 need.
Step 2: Build a Symptom Checklist
We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
slight tongue soreness
very great unexplained weight loss
much vitamin C supplementation
medium-term vegan diet
broad-spectrum antibiotic use
past H2-blocker antacid use
regular episodes of diarrhea
severe tongue swelling
lighter/paler skin color
recent onset diarrhea
... and more than 10 others
Step 3: Rule Out or Confirm each Possible Cause
A differential diagnosis of your symptoms and risk factors finds the likely cause of abnormal vitamin B12 levels.
Arriving at a Correct Diagnosis
is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.
Vitamin B12 (cobalamin). Unit: pg/mL [pmol/L]
→ Don't know
→ Confirmed deficiency in the past
→ Under 200  (low)
→ 200-950 [150-700] (normal)
→ Over 950  (elevated)
Based on your response to this question, which may indicate history of B12 deficiency, B12 deficiency, normal B12 levels or elevated B12 levels, The Analyst™
will consider possibilities such as Vitamin B12 Requirement
. A urine MMA test is recommended for properly diagnosing B12 deficiency due to the possible lack of sensitivity of serum B12 tests. A normal or high B12 level makes B12 deficiency less likely, but does not rule it out.
Concerned or curious about your health? Try The Analyst™