What information is required when submitting documentation to support a diagnosis for a RADV/IVA?

The correct choice indicates that when submitting documentation to support a diagnosis for a RADV/IVA, it is essential to include a single date of service (DOS) for outpatient records while providing the complete set of inpatient records for hospital stays.

This approach is vital because RADV audits are designed to validate that the diagnoses being reported on claim submissions are substantiated by the medical records. For outpatient records, focusing on a specific DOS allows auditors to review the relevant clinical information related to a particular visit, where diagnoses are documented and linked to the care that was provided.

In the case of inpatient stays, a comprehensive set of records is necessary as these hospital admissions typically involve more complex care and multiple diagnoses that can affect the risk adjustment calculations. Providing the complete set of records gives auditors clear visibility into all diagnoses coded during that inpatient stay and assures that the conditions reported for risk adjustment are properly supported.

The other options do not align with the specific requirements for documentation submission for RADV audits. For instance, requesting all patient records for the calendar year may be unnecessarily comprehensive and cumbersome, while focusing solely on readmissions overlooks other critical inpatient care data. Collecting all professional provider documentation might also prove excessive and not targeted towards the specific cases being audited. Thus, the