Core Laboratory Values

Vitamin B12 (pg/mL) *

Hemoglobin (g/dL)

MCV (fL)

Confirmatory Tests (Optional)

MMA - Methylmalonic Acid (µmol/L)

Normal: <0.4 µmol/L

Homocysteine (µmol/L)

Normal: <15 µmol/L

Folate (ng/mL)

Normal: >2.0 ng/mL

Neurologic Symptoms

Fatigue / Weakness Paresthesias (Numbness/Tingling) Glossitis (Sore Tongue) Memory / Cognitive Issues Balance Problems / Ataxia Peripheral Neuropathy

Risk Factors & Etiologies

Vegan / Strict Vegetarian Age >65 years PPI Use (Proton Pump Inhibitor) Metformin Use H. pylori / Gastritis Gastric Surgery Crohn's Disease / IBD Pernicious Anemia Suspected

B12 (Cobalamin) Analyzer

Laboratory Values & Clinical Data

Core Laboratory Values

Confirmatory Tests (Optional)

Neurologic Symptoms

Risk Factors & Etiologies

Save & Share Results

1 B12 Level Interpretation

2 Clinical Assessment

3 Differential Diagnosis & Etiology

4 Treatment Recommendations

5 Follow-up & Monitoring