The list below shows the transmittals that are directed to the Ambulance provider community, but the list may not include all instructions for which Ambulance providers are responsible. For a list of all instructions, view the Transmittals web page under Regulations and Guidance.
| 5659 | 09/06/2007 | Ambulance: New Remark Code for Denying Separately Billed Services | N/A |
| 5801 | 11/09/2007 | Ambulance Inflation Factor for CY 2008 | MM5801 |
| 5736 | 11/16/2007 | Instructions for Downloading the Medicare ZIP Code File for April 2008 | N/A |
| 5833 | 12/21/2007 | Revision to Certification for Hospital Services Covered by the Supplementary Medical Insurance Program as it Pertains to Ambulance Services | MM5833 |
| 6000 | 05/02/2008 | Ambulance Fee Schedule - Conversion Factor File for CY 2009 Ambulance Inflation Factor. | MM6000 |
| 6091 | 06/13/2008 | Notification of New Quarterly Updates to the Ambulance Fee Schedule Public Use File (PUF) | MM6091 |
| 6113 | 10/03/2008 | Ambulance Inflation Factor for CY 2009 | MM6113 |
| 6214 | 10/17/2008 | Medicare Payment for Air Ambulance Services Under Section 146(b)(1) of the Medicare Improvements for Patients and Providers Act (MIPPA) of 2008 | MM6214 |
| 6206 | 12/12/2008 | Improved Access to Ambulance Services Payment Rates for Effective Dates of Service July 1, 2008, through December 31, 2009 | MM6206 |
| 6372 | 02/13/2009 | Clarification of Date of Service of Ambulance Services | MM6372 |