A7021Supplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter)

A7021 is an HCPCS Level II code in the A series (transportation, medical and surgical supplies), describing supplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter).

It was added to HCPCS effective 10/01/2024.

Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.