Summary & Overview
HCPCS Level II J2428: Paliperidone Palmitate Extended-Release Injection, 1 mg
HCPCS Level II code J2428 designates the injection of paliperidone palmitate extended release (Erzofri), dosed per 1 mg units. As a long-acting injectable antipsychotic, this product is used in the treatment of schizophrenia and related disorders, and its billing classification affects outpatient behavioral health, psychiatric clinics, and ambulatory infusion services nationwide. Clear coding for J2428 supports accurate drug utilization tracking, formulary management, and payment processing for injectable psychiatric medications.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what J2428 represents clinically, typical sites of service, and which payers are commonly involved in reimbursement. The publication outlines benchmarks where available, summarizes relevant policy and coverage considerations at a national level, and provides clinical context about the medication formulation and use case. Data not available in the input is noted when applicable.
Billing Code Overview
HCPCS Level II code J2428 describes an injection of paliperidone palmitate extended release (erzofri), 1 mg. This code represents a single unit measure for administration of the long-acting injectable antipsychotic formulation paliperidone palmitate, marketed as Erzofri.
Service Type: Medication administration (long-acting injectable antipsychotic)
Typical Site of Service: Outpatient clinic, behavioral health clinic, ambulatory infusion center, or physician office
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with a primary psychotic disorder such as schizophrenia or schizoaffective disorder who requires long-acting injectable antipsychotic therapy. The medication J2428 (paliperidone palmitate extended release, erzofri) is administered as an intramuscular injection, usually in a clinic, outpatient behavioral health center, or community mental health setting. The clinical workflow includes confirmation of the prescription and dosing schedule, review of recent psychiatric assessment and medication history, screening for contraindications and recent acute medical issues, patient consent and education about injection-site reactions and potential adverse effects, preparation of the medication per manufacturer instructions, administration by a trained clinician (typically a registered nurse, psychiatric nurse practitioner, or physician), observation for a short post-injection period for immediate adverse reactions, and documentation of lot number, dose (mg), injection site, and any patient-reported concerns. Typical administration frequency follows the product-specific regimen determined by the prescriber and documented in the chart. Billing uses HCPCS Level II code J2428 per milligram units as supplied by the manufacturer; the encounter may occur in outpatient clinics, ambulatory infusion centers, or behavioral health facilities depending on local practice and payer rules.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 |