B4161 – Enteral formula, for pediatrics, hydrolyzed/amino acids and peptide chain proteins, includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit

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

Active code Special coverage instructions apply

HCPCS codeB4161
Long description
Enteral formula, for pediatrics, hydrolyzed/amino acids and peptide chain proteins, includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
Short description
Ef ped hydrolyzed/amino acid
Pricing indicator
46 Priced by carrier (not otherwise classified / individual determination)
Medicare coverage
D Special coverage instructions apply
BETOS category
O1C Enteral and parenteral
Added
January 1, 2005
Last change
January 1, 2005 – No change

Frequently asked questions

What is HCPCS code B4161?

B4161 is a HCPCS Level II code for enteral formula, for pediatrics, hydrolyzed/amino acids and peptide chain proteins, includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit.

Does Medicare cover B4161?

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.