A7021 Suppl and access lung expanSupplies and accessories for lung expansion airway clearance, continuous high frequency oscillation, and nebulization device (e.g., handset, nebulizer kit, biofilter)
Status X: statutory exclusion, not paid under the PFS.
A7021 appears in 16 coverage policies from Aetna, Blue Cross & Blue Shield of Mississippi, Blue Shield of California, Capital Blue Cross, Premera Blue Cross, UnitedHealthcare.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Chest Physiotherapy and Airway Clearance Devices (0067) | not covered | Mar 18, 2026 | payer document |
| Blue Cross & Blue Shield of Mississippi | Oscillatory Devices For The Treatment Of Cystic Fibrosis And Other Respiratory Conditions | covered if criteria are met | payer document | |
| Blue Shield of California | Oscillatory Devices for the Treatment of Cystic Fibrosis and Other Respiratory Conditions (1.01.15) | listed, no stance | payer document | |
| Capital Blue Cross | Experimental and Investigational Procedures (MP 4.002) Procedure codes: Respiratory | listed, no stance | Sep 1, 2026 | payer document |
| Premera Blue Cross | Oscillatory Devices for the Treatment of Cystic Fibrosis and Other Respiratory Conditions (1.01.539) | listed, no stance | Oct 13, 2025 | payer document |
| UnitedHealthcare | Airway Clearance Devices (2026T0052OO) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (CS054.W) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Idaho Only) (CS054ID.C) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Kansas Only) (CS054KS.03) | listed, no stance | Apr 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Kentucky Only) (CS054KY.15) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Nebraska Only) (CS054NE.W) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for New Jersey Only) (CS054NJ.T) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for New Mexico Only) (CS054NM.D) | listed, no stance | Mar 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Ohio Only) (CS054OH.D) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Pennsylvania Only) (CS054PA.V) | listed, no stance | Apr 1, 2026 | payer document |
| UnitedHealthcare | Airway Clearance Devices (for Tennessee Only) (CS054TN.U) | listed, no stance | May 1, 2026 | payer document |
Prior authorization required or conditional in CO, OH.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.