What is inter-rater reliability and how does it apply to CDI coding audits?

• A. Inter-rater reliability is the agreement level between coders/reviewers; measured by kappa or percent agreement; ensures audit consistency and reliability.
• B. The proportion of charts audited by external auditors.
• C. The time it takes for reviewers to reach a conclusion.
• D. The difference in coding across different facilities.

Answer: (A)