2007 HCPCS A4621- Tracheotomy mask or collar
- Added on Monday, January 01, 1990
- Terminated on Wednesday, December 31, 2003: do not use.
- Status changed on Thursday, January 01, 2004 to: No maintenance for this code
- BETOS Classification: Oxygen And Supplies
- Medicare coverage status: Special coverage instructions apply
- HCPCS Medicare Carriers Manual Reference Section Number: 2130
A4620 A4622 
