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A Vitamin B12 deficiency can lead to weight changes, although the effects can vary from person to person
When a drug does not have a specific J-code, HCPCS J3490 (unclassified drug) or J3590 (unclassified biologic) is used
This may be a potential advantage of the delivery method as absorption could feel quick and consistent from dose to dose
Dec 23, 2025 You've tried cutting calories
The amount needed can change based on how severe the deficiency is
In some cases, patients may continue receiving injections for extended periods to maintain weight loss or support energy levels
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