B4189 – 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

HCPCS Level II code · B codes: Enteral and Parenteral Therapy

Active code Special coverage instructions apply

HCPCS codeB4189
Long description
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
Short description
Parenteral sol amino acid &
Pricing indicator
39 Parenteral and enteral nutrition
Medicare coverage
D Special coverage instructions apply
BETOS category
O1C Enteral and parenteral
Added
January 1, 1988
Last change
January 1, 2002 – No change

Frequently asked questions

What is HCPCS code B4189?

B4189 is a HCPCS Level II code for 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.

Does Medicare cover B4189?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby B codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.