These Acknowledgements must be used with ASC X12 HIPAA transactions sent in batch or real-time mode as instructed by the TR3 document for each transaction. Please note that real-time as used in this request does not refer to real-time adjudication, rather the real-time transmission of files.
The TA1 segment must be sent when requested by the submitter OR as described in X12.5 section 3.2.2, OR as instructed by the TR3 document for each transaction. If these conditions are not met, do not send the TA1 segment. The TA1 is not recommended for use in a real-time environment, and for any usage of the TA1 in real-time, mutual trading partner agreement is required.
The 277CA acknowledgement must be used in batch and real-time to acknowledge 837 claims submission at the pre-processing stage for application level validation errors. The business use requires reporting both accepted and non-accepted claims for adjudication, not including real-time adjudication.
The 999 is used to acknowledge syntactical and relational analysis of a functional group as specified by the TR3 or to acknowledge receipt of an error-free functional group that fully complies with an implementation guideline. The 999 can acknowledge standard syntax errors as well as implementation guide (IG) errors. The 999 cannot be used for any application level validation errors.