HCPCS B4189 is officially defined as "Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 10 to 51 grams of protein - premix." No tracked policy changes reference HCPCS B4189 yet. New payer updates are added daily, so check back soon or create a free alert to be notified the moment a change affects this code.
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