The National Government Services (NGS) has listed nine reasons for reducing or denying the claims. These include the following:
1: Documentation did not meet the Local Coverage Determination (LCD) requirements
2: The documentation lacked clinical indications to support the medical necessity of the study
3: A bilateral study was billed but the documentation supported a unilateral study
4: Duplicate services/claims were billed/submitted
5: The documentation was incomplete or missing information in regards to the beneficiary who was being treated
6: The rendering physician submitted on the claim form was not the physician who performed the service(s) per the submitted documentation
7: Missing or illegible provider signature: Documentation must be legible and include a provider’s signature. The signature can either be electronic or handwritten; however, stamp signatures are not acceptable.
8: No response to request for medical documentation
9: No documentation was submitted for the billed CPT® code(s).