Summary & Overview
HCPCS G6054: Methsuximide, Anticonvulsant Medication
HCPCS Level II code G6054 designates Methsuximide, an anticonvulsant medication used in seizure management. As an HCPCS Level II drug code, G6054 is relevant to providers, pharmacies, and payers for billing and coverage determinations related to the supply or administration of this medication. Nationally, accurate coding of antiepileptic drugs affects claims processing, pharmacy reimbursement, and clinical documentation for chronic seizure care.
Key payers in scope include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the code’s clinical context, typical sites of service where the medication is furnished, and the payer landscape. The publication summarizes common billing considerations and benchmarks where available, highlights policy elements that influence coverage and reimbursement for HCPCS Level II drug codes, and provides concise clinical context for Methsuximide use in seizure management.
This summary is intended for billing managers, revenue cycle staff, pharmacists, and clinicians seeking a national perspective on coding and payer considerations for G6054. Data not available in the input is noted where applicable in detailed sections.
Billing Code Overview
HCPCS Level II code G6054 represents Methsuximide, an antiepileptic medication. The code denotes the drug product and associated drug administration or supply as classified in the HCPCS Level II system.
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Service type: Medication administration or pharmaceutical supply for anticonvulsant therapy
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Typical site of service: Ambulatory infusion centers, outpatient clinics, and other settings where prescription antiepileptic medications are furnished
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with generalized or focal epilepsy who has not achieved seizure control with first‑line anticonvulsants or who has specific intolerance to other agents. Methsuximide is an oral antiepileptic medication used in certain seizure disorders, particularly absence seizures or myoclonic seizures when other options are ineffective or contraindicated. The clinical workflow includes neurologic evaluation, baseline laboratory and ECG assessment if indicated, prescription and counseling on dosing and adverse effects, regular follow‑up to monitor seizure frequency and side effects, and periodic lab monitoring for hematologic or hepatic abnormalities. The medication is dispensed by a pharmacy; the billing code G6054 represents the HCPCS Level II code for methsuximide product utilization and is typically used on outpatient pharmacy claims or facility pharmacy billing when medications are supplied by the provider or facility.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
TC | Technical Component | Use when billing for the technical component of a service separate from the professional component; applicable when the facility supplies the medication administration or pharmacy technical dispensing service. |