Carriers can no longer reject claims for not checking Box 20

Why This Topic Matters

The CMS update affects claim acceptance and helps practices understand when missing Box 20 information should no longer make a claim unprocessable. It also highlights the compliance risk that can arise if outside lab use or purchased technical component information is not reported correctly.

Article Sections

1. CMS transmittal update

   Overview of the Medicare claims-processing change and the carrier response described by CMS.

2. Box 20 reporting on the CMS-1500

   Discussion of the form location involved and the general reporting expectations tied to outside laboratory use.

3. Provider responsibility and billing implications

   General guidance on the provider’s reporting responsibility and the potential impact on diagnostic service billing and payment handling.

4. Cardiology practice example and scope of the ruling

   Clarification of how the update relates to practices with their own diagnostic equipment and the scope of the Medicare change.