Program_Memos / 2001 / AB-01-185

Why This Topic Matters

The memorandum describes how Medicare ambulance claims were to be processed during the transition period and how claims data, locality mapping, and reporting requirements were coordinated. That makes it important for understanding historical ambulance billing procedures, claims system edits, and the structure of CMS fee schedule implementation.

Article Sections

1. Summary of claims adjudication under the transition

   Overview of the claims processing approach used during the fee schedule transition period for ambulance services. Includes discussion of locality lookup, HCPCS crosswalks, and the staged payment framework.

2. Transition for Providers (Intermediaries)

   Explains how provider claims were handled during the transition on a calendar-year basis. Covers blended payment concepts and related intermediary processing considerations.

3. Payment Requirements for Providers (Intermediaries)

   Describes payment processing expectations for provider claims during the transition period. Focuses on general reimbursement workflow and year-by-year phase-in concepts.

4. New Providers

   Addresses how the memorandum treats providers entering ambulance service under the new system. Summarizes the special status of first-year reporting and payment treatment.

5. Calculation of Fee Schedule Payment during Transition

   Explains the geographic and file-based process used to determine ambulance fee schedule payment amounts during the transition. Includes claim location coding and locality crosswalk concepts.

6. Examples

   Provides illustrative payment examples showing how the transition methodology was applied. The examples are intended to demonstrate the calculation framework at a high level.

7. Billing Requirements for Providers (Intermediaries)

   Summarizes provider billing and claim-reporting requirements for ambulance services during the implementation period. Covers claim form reporting, line item structure, and related submission elements.

8. Edits (Intermediaries)

   Lists automated claims-processing edits intended to support proper reporting. Focuses on system validation and claim integrity checks.

9. CWF (Intermediaries)

   Describes how ambulance procedures were to be recorded in the Common Working File. Includes reporting of line-level financial data for processing purposes.

10. Provider Statistics and Reimbursement Report (PS&R) (Intermediaries)

    Discusses statistical and reporting treatment of ambulance services in the PS&R process. Explains how those claims were separated for reporting and settlement purposes.

11. CMS-Supplied Files for Implementing the Ambulance Fee Schedule (Intermediaries and Carriers)

    Introduces the CMS files used to support fee schedule implementation. Covers the zip code file, fee schedule file, and related retrieval and update processes.

12. Zip code File

    Describes the structure and purpose of the ZIP code file used in implementation. Includes record-level field layout information.

13. Ambulance Fee Schedule File

    Describes the structure and purpose of the ambulance fee schedule file. Includes record-level field layout information for the national fee schedule data.

14. Test File

    Notes the availability of a test file for implementation support. Identifies it as a resource for systems testing and preparation.

15. Final Fee Schedule

    Provides timing information for the final national ambulance fee schedule file. Focuses on release availability and related file naming.

16. Miscellaneous Procedural Policies (Intermediaries and Carriers)

    Covers additional operational policy topics tied to ambulance fee schedule implementation. Includes notice, multiple patient transport, death-related scenarios, and multiple-arrival situations.

17. Provider/Supplier Notification (Intermediaries and Carriers)

    Outlines expectations for communicating implementation information to providers and suppliers. Discusses timing, general notice, and training-related communication.

18. Attachments

    Introduces the attached reference materials that support implementation. The attachments include file record descriptions and code crosswalk information.

19. Attachment A

    Presents the record descriptions for the zip code file and the ambulance fee schedule file. Shows the key data elements included in each file format.

20. Attachment B

    Provides a crosswalk between new and old ambulance service identifiers. Also includes general level-of-service definitions used in the memorandum.