- 2016 HCPCS A7504
- Filter for use in a tracheostoma heat and moisture exchange system, each
- Added on Monday, January 01, 2001
- Status changed on Monday, January 01, 2001 to: No maintenance for this code
- BETOS Classification: Prosthetic/Orthotic Devices
- Medicare coverage status: Special coverage instructions apply
- HCPCS Medicare Carriers Manual Reference Section Number: 2130
A7503 A7505 
