B4157 – Enteral formula, nutritionally complete, for special metabolic needs for inherited disease of metabolism, includes proteins, 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 codeB4157
Long description
Enteral formula, nutritionally complete, for special metabolic needs for inherited disease of metabolism, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit
Short description
Ef special metabolic inherit
Pricing indicator
39 Parenteral and enteral nutrition
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 B4157?

B4157 is a HCPCS Level II code for enteral formula, nutritionally complete, for special metabolic needs for inherited disease of metabolism, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit.

Does Medicare cover B4157?

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.