General Explanation of the Files

The Four Files:

The first three files are to be used for services provided to beneficiaries in a Part A covered SNF stay. Codes that can be separately billed to the Medicare carrier by physicians, non-physician practitioners, and suppliers (other than ambulance suppliers) are found in Files 1 and 2. If the code is not found in either of these 2 files, the service is subject to SNF consolidated billing and the physician, non-physician practitioner, or supplier must look to the SNF for payment of the service. The Medicare carrier will not pay the service.

File 3 is just for ambulance services. The codes on this file, when submitted with the NN origin/destination modifier, (i.e., transport between 2 SNFs), are subject to consolidated billing and the supplier must look to the SNF for payment of the service. The Medicare carrier will not pay the service. The services are separately payable by the carrier when submitted with any other origin/destination modifier.

File 4 is only to be used for services rendered to beneficiaries in a Part B non-covered stay. It includes the therapy codes that are subject to SNF consolidated billing for beneficiaries in a Part B non-covered SNF stay. The physician, non-physician practitioner, or supplier must look to the SNF for payment of these services. The Medicare carrier will not pay these services.

How To Move Around the Files:

Click on Search Instructions (see below) found below each file title. You will be given instructions on how move around the code files.

Updating the Files:

Periodically, the files will be updated to correct errors and to include newly developed procedure and supply codes. An explanation of the latest update will be included below under each file name. Codes that have been deleted and are no longer payable beyond their grace period will remain on the file in order to allow claims with earlier dates of service to pay appropriately.

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Search Instructions (PDF, 315KB)
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Page Last Modified: 01/04/2006 10:40:00 AM
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