Which statement about the codes in the RMC master file is accurate?

• A. The codes built in the RMC master file are ANSI Standard remittance codes mapped from payer-specific codes.
• B. The codes are exclusively payer-specific.
• C. Remittance codes are not used in the RMC master file.
• D. Remittance codes can only be used for Group code types.

Answer: (A)

The key idea is that the RMC master file uses a standardized set of remittance codes and creates mappings from what each payer uses to those ANSI codes. In practice, payers often have their own remittance codes, but the organization builds ANSI Standard remittance codes in the master file and maps the payer-specific codes to them. This standardization enables uniform interpretation, posting, and reporting of remittance data across different payers and claims.

That’s why this option is the best: it captures the purpose of the RMC master file—holding ANSI remittance codes and mapping them from payer-specific codes. The other statements don’t fit because remittance codes are not limited to payer-specific usage only, they are indeed used in the RMC master file, and they aren’t restricted to just Group code types.