Screening and Monitoring
B12 screening was usually reactive to symptoms rather than preventive in known high-risk patients. Routine vitamin B12 screening in long-term metformin users was uncommon across the evidence. Annual testing rates were generally below 20% o…
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B12 screening was usually reactive to symptoms rather than preventive in known high-risk patients. Routine vitamin B12 screening in long-term metformin users was uncommon across the evidence. Annual testing rates were generally below 20% of eligible patients. Delayed testing may postpone diagnosis, especially for asymptomatic patients and older adults.