Mind your modifiers: Waived labs must use modifier QW

Why This Topic Matters

Proper identification of waived laboratory testing affects claim processing and compliance with Medicare and CLIA-related requirements. The article is relevant for practices that perform point-of-care or simple lab tests and need to align their billing workflow with payer expectations.

Article Sections

1. Waived laboratory testing and modifier QW

   Introduces the topic of CLIA-waived laboratory services and discusses the general billing context for modifier use. It also notes the role of federal oversight and waived-test lists.

2. Payer guidance and submission considerations

   Summarizes a Medicare contractor reminder about where the modifier should be reported on the claim. This section focuses on administrative requirements rather than clinical testing details.

3. Example and official resources

   Provides a brief illustrative scenario and cites external reference materials for further review. It also points readers to CMS and contractor guidance sources.