HCPCS Level II · Enteral and parenteral therapy
B4178Parenteral nutrition solution: amino acid, greater than 8.5% (500 ml = 1 unit) - home mix
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About B4178
B4178 is an HCPCS Level II code in the B series (enteral and parenteral therapy), describing parenteral nutrition solution: amino acid, greater than 8.5% (500 ml = 1 unit) - home mix.
It was added to HCPCS effective 01/01/1988, and its current record took effect 01/01/2002.
Its Medicare coverage code is "D", meaning special Medicare coverage instructions apply.
Details
- Short description
- Parenteral sol amino acid >
- Date added
- 01/01/1988
- Action effective
- 01/01/2002
- BETOS
- O1C
Related B41xx codes
- B4100Food thickener, administered orally, per ounce
- B4102Enteral formula, for adults, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
- B4103Enteral formula, for pediatrics, used to replace fluids and electrolytes (e.g., clear liquids), 500 ml = 1 unit
- B4104Additive for enteral formula (e.g., fiber)
- B4105In-line cartridge containing digestive enzyme(s) for enteral feeding, each
- B4148Enteral feeding supply kit; elastomeric control fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape
- B4149Enteral formula, manufactured blenderized natural foods with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4150Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4152Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4153Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4154Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
- B4155Enteral formula, nutritionally incomplete/modular nutrients, includes specific nutrients, carbohydrates (e.g., glucose polymers), proteins/amino acids (e.g., glutamine, arginine), fat (e.g., medium chain triglycerides) or combination, administered through an enteral feeding tube, 100 calories = 1 unit
Common questions about B4178
Is HCPCS B4178 still valid?
- Yes. B4178 is active in the CMS October 2026 HCPCS file.
Does Medicare cover B4178?
- Its coverage code is "D": special Medicare coverage instructions apply. Check the local coverage determination for your region.