Transactions Used in the Acknowledgment of Receipt of

40.1.2 - Transactions Used in the Acknowledgment of Receipt of Inbound Claims (Rev. 2803, Issued: 10-28-13, Effective: 09-17-13, Implementation: 09-17-13) With the CMS implementation of the 5010 transactions, the following two transactions shall be used in the acknowledgment of the receipt of claims. • ASC X12 Health Care Claim Acknowledgment (277) (short reference: ASC X12 277CA claim acknowledgment); and • ASC X12-Implementation Acknowledgment For Health Care Insurance (999) (short reference: ASC X12 999 implementation acknowledgment). Section 10.3 shows the current versions of these standards required by CMS.