Summary & Overview
HCPCS B4153: Enteral Formula, Hydrolyzed Protein, Tube Feeding
HCPCS Level II code B4153 denotes a nutritionally complete enteral formula composed of hydrolyzed proteins (amino acids and peptide chains) with fats, carbohydrates, vitamins, and minerals, intended for administration via an enteral feeding tube. This product classification matters nationally because enteral nutrition is critical for patients with impaired oral intake or malabsorption and hydrolyzed-protein formulas are often used for complex clinical needs such as severe food protein intolerance, malabsorption syndromes, or critical illness. Payer coverage and reimbursement for enteral formulas affect access to medically necessary nutrition across care settings.
Key payers commonly engaged in coverage and utilization include Aetna, Blue Cross Blue Shield plans, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for hydrolyzed-protein enteral formulas, typical sites of service (home enteral nutrition, hospitals, long-term care), common billing considerations, and where to look for benchmark and policy details. The publication outlines common modifiers and payer considerations provided in the source, notes where input data are missing, and frames the code for use in program administration and claims processing. This summary is written for a national audience and focuses on the code’s clinical and billing role rather than state-specific rules.
Billing Code Overview
HCPCS Level II code B4153 describes an enteral formula that is nutritionally complete and composed of hydrolyzed proteins (amino acids and peptide chains). The product includes fats, carbohydrates, vitamins, and minerals, may include fiber, and is administered through an enteral feeding tube. The coding unit is 100 calories = 1 unit.
Service type: Enteral nutrition administration (provision of tube feeding formula)
Typical site of service: Home enteral nutrition (patient residence) and inpatient or outpatient settings where enteral tube feeding is provided (hospitals, long-term care facilities, infusion clinics)
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient is a medically complex adult or pediatric patient who requires tube feeding with an amino acid- or peptide-based nutritionally complete enteral formula due to severe protein intolerance, multiple food protein allergies, eosinophilic esophagitis, short bowel syndrome with malabsorption, or severe pancreatitis with impaired digestion. The product described by B4153 is supplied and billed in units where 100 kilocalories = 1 unit and is administered via an enteral feeding tube (nasogastric, nasojejunal, gastrostomy, or jejunostomy).
A realistic clinical workflow: after the treating clinician documents medical necessity (intolerance to standard intact-protein formulas, diagnosis supporting use of hydrolyzed/amino-acid formulas, anticipated duration, and route of administration), the registered dietitian prescribes appropriate caloric needs and rate. The supplier dispenses the B4153 formula in the quantity consistent with the dietitian’s plan. Nursing or a home health clinician educates the patient/caregiver on tube care, administration schedule (bolus vs. continuous), and storage. Orders and documentation include the specific formula, calories per unit, number of units supplied, the enteral access device type, and supporting diagnoses in the medical record for audit and claims processing.
Typical site of service: inpatient hospital, skilled nursing facility, long-term acute care, home health, or outpatient infusion/enteral therapy clinic depending on patient stability and discharge status.
Typical modifiers used on claims reflect billing context (e.g., supplier, ordering practitioner, or unusual circumstances) and support medical necessity documentation and claim adjudication.
Coding Specifications
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