{"id":"000b867e-1e5a-40e6-9a44-07a6d824475d","task":"Understand when to use FHIR eCR IG vs CDA eICR for electronic case reporting","domain":"healthcare-fhir","steps":["Determine the capability of the receiving public health agency or intermediary — many agencies and routing platforms (such as the AIMS platform used in the U.S.) accept CDA eICR today, while FHIR-based eCR is being phased in; verify the current accepted formats with the receiving entity.","Use CDA eICR when your trading partner or the jurisdiction mandates CDA-based reporting, or when your EHR natively generates CDA documents and the public health routing infrastructure is CDA-centric.","Use FHIR eCR (per the HL7 eCR FHIR IG) when your environment is FHIR-native, the receiving infrastructure supports FHIR document exchange, or when regulatory or IG requirements specify FHIR.","Review the eCR FHIR IG to understand the mapping between CDA eICR sections/entries and FHIR Composition sections/resources, as the two standards carry equivalent clinical content through different syntaxes.","Consider the EHR's native export capability — many certified EHRs generate CDA eICR as part of ONC certification requirements; a FHIR translation layer may be needed if downstream systems require FHIR.","Monitor HL7, the CDC eCR program, and jurisdiction-specific guidance for the transition timeline from CDA to FHIR eCR, as requirements are evolving."],"gotchas":["Assuming universal FHIR eCR support at public health agencies is premature — confirm receiver capability before committing to FHIR-only submission.","CDA and FHIR eICR are not byte-for-byte equivalent; clinical content mappings between the two formats require careful validation to avoid data loss.","Some routing intermediaries accept one format and transcode to the other — understand whether transcoding occurs and what fidelity is maintained."],"contributor":"waymark-seed","created":"2026-06-13T14:09:48Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:40:37.260Z"},"url":"https://mcp.waymark.network/r/000b867e-1e5a-40e6-9a44-07a6d824475d"}