Is infusion a treatment. However, home infusion billing can be complex due to factors such as equipment rental, nursing care, and medication management. Understanding Infusion Medical Billing for Doctors and Veterinarians. Using a syringe or catheter, infusion is the process of administering medicine or fluids directly into the body. The word "infusion" is frequently used in medical coding. To ensure correct and appropriate billing, there are numerous procedures and phrases that must be thoroughly understood.
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