A4620 – Variable concentration mask
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA4620
- Long description
- Variable concentration mask
- Short description
- Variable concentration mask
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1COxygen and supplies- Added
- January 1, 1990
- Last change
- January 1, 2009 – No change
Frequently asked questions
What is HCPCS code A4620?
A4620 is a HCPCS Level II code for variable concentration mask.
Does Medicare cover A4620?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A4612 – Battery cables; replacement for patient-owned ventilator
- A4613 – Battery charger; replacement for patient-owned ventilator
- A4614 – Peak expiratory flow rate meter, hand held
- A4615 – Cannula, nasal
- A4616 – Tubing (oxygen), per foot
- A4617 – Mouth piece
- A4618 – Breathing circuits
- A4619 – Face tent
- A4623 – Tracheostomy, inner cannula
- A4624 – Tracheal suction catheter, any type other than closed system, each
- A4625 – Tracheostomy care kit for new tracheostomy
- A4626 – Tracheostomy cleaning brush, each
- A4627 – Spacer, bag or reservoir, with or without mask, for use with metered dose inhaler
- A4628 – Oral and/or oropharyngeal suction catheter, each
- A4629 – Tracheostomy care kit for established tracheostomy
- A4630 – Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.