- 2010 HCPCS A4620
- Variable concentration mask
- This is the 2010 version of HCPCS A4620 - please refer to the 2016 HCPCS code set for the latest version.
- Added on Monday, January 01, 1990
- Status changed on Thursday, January 01, 2009 to: No maintenance for this code
- BETOS Classification: Oxygen And Supplies
- Medicare coverage status: Special coverage instructions apply
- HCPCS Coverage Issues Manual Reference Section Number: 60-4
- HCPCS Medicare Carriers Manual Reference Section Number: 3312
A4619 A4623 
