Summary & Overview
HCPCS A4284: Breast Shield and Splash Protector Replacement
HCPCS Level II code A4284 represents a replacement breast shield and splash protector used with a breast pump. This supply-level code covers components that maintain safe and effective milk expression by protecting the pump mechanism and preventing contamination during use. National attention on lactation support and durable medical equipment/supply coverage makes this code relevant for payers, clinicians, and maternal-child health programs.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of how the code is categorized, typical sites of service (home and outpatient settings), and the clinical context for supplying replacement parts for breast pumps. The publication also summarizes common modifiers associated with supply billing, expected service line placement, and notes where input data were not provided.
This summary addresses benchmarks and policy-relevant considerations at a national level, helping billing professionals and program managers understand where A4284 fits within lactation support workflows, supply replacement policies, and payer coverage frameworks. Data not available in the input are identified where applicable.
Billing Code Overview
HCPCS Level II code A4284 describes a breast shield and splash protector for use with a breast pump, replacement. The service type is breast pump accessory replacement, intended to replace worn or lost shields and splash protectors used in breastfeeding support and milk expression. The typical site of service is home use or outpatient clinical settings where lactation supplies are provided or dispensed.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A lactating patient presents for replacement parts for a personal breast pump after routine wear or accidental damage to the breast shield assembly. Typical patients include postpartum individuals who require continued breast milk expression for feeding, returning to work, or to maintain supply during temporary infant separation. The clinical workflow: the patient contacts the outpatient durable medical equipment (DME) supplier or hospital lactation clinic, presents identification and prescription or order if required by payer, and requests a replacement A4284 breast shield and splash protector. A lactation consultant or DME clinician reviews the patient’s needs, documents the reason for replacement (routine wear, damage, hygiene concerns), confirms pump model compatibility, and dispenses the replacement shield. Billing is submitted to the patient’s insurer or paid as self-pay if not covered. Follow-up may include a lactation assessment to ensure correct fit and function and instruction on cleaning and replacement intervals.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Default billing when no specific modifier applies |
52 |