CMS defers to contractors to define diagnostic test date of service

Why This Topic Matters

The reported date of service can affect claim acceptance, documentation matching, and audit exposure for diagnostic test interpretations. Understanding whether to follow national guidance or a local contractor policy is important for accurate Medicare billing and compliance.

Article Sections

1. Medicare guidance under review

   Introduces the topic of diagnostic test interpretation dates of service and notes that national CMS direction is not yet finalized. It also places the issue in the context of Medicare billing and contractor-level administration.

2. Why the reported date matters

   Summarizes the billing and compliance concerns tied to the reported service date. The discussion centers on claim processing, documentation matching, and audit-related risk.

3. Contractor examples and local policies

   Presents examples of how selected Medicare contractors and MACs address the issue in their own guidance. This section focuses on the presence of varying local approaches and documentation expectations.

4. Related lab policy note and resources

   Clarifies that the national date-of-service policy for clinical laboratory tests is separate from the diagnostic imaging context discussed in the article. It also points readers to referenced CMS manual material and contractor resource links.