B4189 HCPCS Level II code: Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength…
B4189 is the HCPCS 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” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
B4189Parenteral 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 &
HCPCS · United States
Medicare details
The indicators CMS publishes with B4189 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- DMEPOS fee schedule – Parenteral and Enteral Nutrition
- Type of service
- Enteral/parenteral nutrients/supplies
- BETOS category
- Enteral and parenteral
- Added
- Jan 1, 1988
Where B4189 sits
- 1B codesEnteral and parenteral therapy
- 2Active code B4189Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 10 to 51 grams of protein - premix
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code B4189 mean?
B4189 is the HCPCS 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” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover B4189?
CMS lists B4189’s Medicare coverage as “Special coverage instructions apply” and its pricing as “DMEPOS fee schedule – Parenteral and Enteral Nutrition”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside B4189
All B codesB4172Parenteral nutrition solution; amino acid, 5.5% through 7%, (500 ml = 1 unit) - home mixB4176Parenteral nutrition solution; amino acid, 7% through 8.5%, (500 ml = 1 unit) - home mixB4178Parenteral nutrition solution: amino acid, greater than 8.5% (500 ml = 1 unit) - home mixB4180Parenteral nutrition solution; carbohydrates (dextrose), greater than 50% (500 ml = 1 unit) - home mixB4185Parenteral nutrition solution, not otherwise specified, 10 grams lipidsB4187Omegaven, 10 grams lipidsB4193Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of…B4197Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of…B4199Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, over 100 grams of…B4216Parenteral nutrition; additives (vitamins, trace elements, heparin, electrolytes), home mix, per dayB4220Parenteral nutrition supply kit; premix, per dayB4222Parenteral nutrition supply kit; home mix, per day