J3420 is a valid 2023 HCPCS Code that could be used to indicate Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg for reimbursement purposes.
J3420 belongs to Medical Care Type of Service and has been in effect since Jan 01, 1997.
Short description for J3420 HCPCS code:
Vitamin b12 injection