The list below shows the transmittals that are directed to the Clinical Laboratory provider community, but the list may not include all instructions for which Clinical Laborabory providers are responsible. For a list of all instructions, view the Transmittals web page under Regulations and Guidance.
| 6524 | 08/07/2009 | Clinical Laboratory Fee Schedule - Medicare Travel Allowance Fees for Collection of Specimen | N/A |
| 6548 | 07/10/2009 | Changes to Laboratory National Coverage Determination Edit Software for October 2009 | MM6548 |
| 6362 | 02/27/2009 | Reporting the National Provider Identifier on Claims for Reference Laboratory and Purchased Diagnostic Services Performed Outside the Billing Jurisdiction | MM6362 |
| 6383 | 02/13/2009 | Changes to Laboratory National Coverage Determination Edit Software for April 2009 | MM6383 |
| 6371 | 02/13/2009 | Claims Processing Instructions for Diagnostic Tests Subject to the Anti-Markup Pricing Limitation | MM6371 |
| 6070 | 12/31/2008 | Calendar Year 2009 Annual Update for Clinical Laboratory Fee Schedule and Laboratory Services Subject to Reasonable Charge Payment | MM6070 |
| 6213 | 10/02/2008 | Laboratory National Coverage Determination Edit Software for October 2008 | MM6213 |
| 6195 | 09/05/2008 | Clinical Laboratory Fee Schedule-Medicare Travel Allowance Fees for Collection of Specimens | MM6195 |
| 6042 | 07/29/2008 | Medicare Improvements for Patients and Providers Act of 2008- Legislative Change Concerning Independent Laboratory Billing for the Technical Component of Physician Pathology Services. | MM6042 |
| 6088 | 07/07/2008 | Pathology Services: Notification of the Sunset for the Payment of Physician Pathology Services for Independent Laboratories | MM6088 |