Health Information Management

Line-item date-of-service reporting

APCs Insider, July 16, 2004

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QUESTION: Is it true that CMS will have new requirements for line-item date-of-service reporting? Where can I find more information?

ANSWER: Yes, as of October 1, 2004, all outpatient and inpatient Part B claims must contain a single date in the Line Item Date of Service (LIDOS) field on the claim form or the claim will reject. This means that providers will list each LIDOS on a separate line, repeating the revenue code and/or Healthcare Common Procedure Coding System (HCPCS) code if necessary.

For example, if services such as physical therapy, occupational therapy, or chemotherapy are provided on multiple dates, the revenue code and HCPCS code must be listed for each date of service. In other words, if therapy were provided on three dates, you must list the revenue and HCPCS codes three times.

For more information, refer to the following publications:

  • "Clarification for Medlearn Matters 3031: Medicare Need for a Specific Line Item Date of Service for Each Revenue Code on All Outpatient and Inpatient Part B Claims" at
  • CMS Publication 100-04 Medicare Claims Processing Transmittal 199 (CR 3337), June 10, 2004, for more information at

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