J3399 is a valid 2023 HCPCS Code that could be used to indicate Injection, onasemnogene abeparvovec-xioi, per treatment, up to 5x10^15 vector genomes for reimbursement purposes.
J3399 belongs to Medical Care Type of Service and has been in effect since Jul 01, 2020.
Short description for J3399 HCPCS code:
Inj onase abepar-xioi treat