Summary & Overview
HCPCS J0300: Injection, Amobarbital, Up to 125 mg
HCPCS Level II code J0300 denotes an injection of amobarbital, up to 125 mg. The code captures administration of a short-acting barbiturate used in select diagnostic and therapeutic clinical contexts. Nationally, this code matters for accurate billing of parenteral sedative or anticonvulsant medications and for distinguishing drug-specific reimbursement and utilization patterns.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the code’s clinical context and typical sites of service, plus what to expect in payer coverage policies and billing practice considerations. The publication outlines common modifiers in use and highlights where data is not available in the input.
This summary provides benchmarks for how the code is categorized, notes on clinical application, and pointers to payer coverage landscapes. It is intended for billing managers, revenue cycle staff, and policy analysts seeking a national-level briefing on HCPCS Level II code J0300 and its relevance to facility-based medication administration.
Billing Code Overview
HCPCS Level II code J0300 represents an injection of amobarbital, with a dosage unit of up to 125 mg. This code describes the administration of a short-acting barbiturate used historically in certain diagnostic or therapeutic settings.
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Service type: Injectable medication administration
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Typical site of service: Hospital inpatient, hospital outpatient, or other facility settings where parenteral sedative or anticonvulsant agents are administered
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult undergoing a diagnostic or therapeutic procedure that requires short-acting sedation or a single-dose anticonvulsant administered intramuscularly or intravenously in an ambulatory surgical center, emergency department, or inpatient hospital. The medication J0300 (amobarbital, up to 125 mg) is commonly used to produce brief central nervous system depression for procedures such as short diagnostic evaluations (e.g., angiography in select historical contexts), sedation for brief procedures, or as an adjunct in certain neurodiagnostic tests. The clinical workflow begins with the ordering clinician (anesthesiologist, neurologist, or emergency physician) confirming indication and dose, obtaining informed consent, performing medication reconciliation and allergy check, and documenting vital signs and monitoring requirements. A licensed provider or qualified clinician prepares and administers the injection per facility protocol, monitors the patient on appropriate cardiac and respiratory monitoring, documents the drug name, dose, route, lot number, and time of administration, and records recovery and disposition. Typical sites of service include the ambulatory surgery center, hospital inpatient ward, and emergency department.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Unspecified (not commonly used) | Use only if payer-specific rules require a placeholder modifier; otherwise omit. |