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Since this condition may be reported as a primary diagnosis or as a condition associated with another disease, accurate and compliant reporting is essential for appropriate reimbursement
In what ways does Vitamin B12 contribute to immune health
Stomach issues, such as gastritis, infection with Helicobacter pylori or bariatric surgery (reducing stomach size) can all significantly reduce B12 absorption (Sobczyska-Malefora et al., 2021)
Some self test options are available online
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