Summary & Overview
HCPCS J2510: Injection, Penicillin G Procaine, Aqueous, Up to 600,000 Units
HCPCS Level II code J2510 designates an intramuscular injection of penicillin G procaine, aqueous, up to 600,000 units. This code is used to bill for administration of a specific antibiotic formulation commonly given in ambulatory care settings for treatment of susceptible bacterial infections. Nationally, accurate coding for this drug matters for clinical documentation, antibiotic stewardship tracking, and consistent payment across payers.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for the medication and typical sites of administration, followed by benchmarking and coverage patterns where available. The publication outlines payer coverage considerations, common billing modifiers (listed separately), and coding relationship notes. It also highlights areas where policy updates or payer-specific rules commonly affect billing and documentation requirements.
This summary serves clinicians, billing professionals, and policy analysts seeking a concise reference on HCPCS Level II code J2510, its clinical use, and the types of payer considerations that commonly influence reimbursement and administrative workflow.
Billing Code Overview
HCPCS Level II code J2510 describes an injection of penicillin G procaine, aqueous, up to 600,000 units. This service represents administration of an intramuscular antibiotic formulation used for treatment of susceptible bacterial infections. The service type is an injectable medication administration. The typical site of service is outpatient settings such as clinics, physician offices, urgent care centers, and other ambulatory care locations where intramuscular injections are given.
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to an outpatient clinic, urgent care, or emergency department with a bacterial infection for which intramuscular penicillin G procaine aqueous is indicated (for example, early syphilis treatment when benzathine penicillin formulations are not used, or certain streptococcal infections requiring a penicillin depot). The workflow begins with clinical assessment and diagnosis, verification of penicillin allergy status, informed consent, and medication preparation. A clinician or licensed nurse prepares and administers J2510 as an intramuscular injection (up to 600,000 units). The patient is observed for immediate hypersensitivity for at least 15–30 minutes. Documentation includes indication, dose/units, lot number, route (intramuscular), site of administration, patient tolerance, and any post‑injection instructions. For patients with allergies or anaphylaxis history, alternative therapies are selected and the injection is not given. Typical sites of service are ambulatory clinic, urgent care center, emergency department, or community immunization clinic when indicated.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Unmodified procedure | Use when no modifier applies and the service is billed as reported |