How does ICD-10-CM coding impact HCC capture accuracy?

• A. ICD-10-CM coding accuracy does not affect HCC capture.
• B. ICD-10-CM coding is the sole factor determining RAF.
• C. Missed or nonspecific codes improve HCC capture.
• D. Accurate ICD-10-CM coding is essential; missing, non-specific, or incorrect codes can understate or misstate HCC mappings and risk.

Answer: (D)