What is the role of documentation integrity audits in CDI?

• A. They are optional in CDI programs.
• B. They focus only on coding accuracy, not documentation quality.
• C. They verify documentation supports diagnoses and DRG changes but do not identify training needs.
• D. Audits verify documentation supports diagnoses, ROM/SOI, and DRG changes; identify gaps, training needs, and ensure compliance.

Answer: (D)