A7021
HCPCSSuppl and access lung expan
Official HCPCS Level II long descriptor
Supplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter)
HCPCS Level II code A7021 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Suppl and access lung expan
Added to HCPCS: 2024-10-01
Nearby codes in A7
- A7012Nebulizer water collec devic
- A7013Disposable compressor filter
- A7014Compressor nondispos filter
- A7015Aerosol mask used w nebulize
- A7016Nebulizer dome & mouthpiece
- A7017Nebulizer not used w oxygen
- A7018Water distilled w/nebulizer
- A7020Interface, cough stim device
- A7023Mech allergen parti barrier
- A7025Replace chest compress vest
- A7026Replace chst cmprss sys hose
- A7027Combination oral/nasal mask
- A7028Repl oral cushion combo mask
- A7029Repl nasal pillow comb mask
- A7030Cpap full face mask
- A7031Replacement facemask interfa
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.