Medical use cases based on
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Medical Use Cases Based on. HL7 Clinical Document Architecture (an ANSII standard) based on XML Medical considerations Legislation and Executive Branch rules regarding privacy (HIPAA). HL7 CDA Form. Header – administrative information Body – clinical record. Ms AXS & her abusive ex.

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Medical Use Cases Based on

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Medical Use Cases Based on

  • HL7 Clinical Document Architecture (an ANSII standard) based on XML

  • Medical considerations

  • Legislation and Executive Branch rules regarding privacy (HIPAA)


HL7 CDA Form

  • Header – administrative information

  • Body – clinical record


Ms AXS & her abusive ex

  • Don’t let him know my contact info

    a) She gets help with tendonitis from a physical therapist

    • Therapist gets record; the restrictions follow

      b) Billing info goes to outside payer

    • Restrictions are transmitted with info (even when the info leaves the originator, the restrictions persist)


Patient grants only primary care physician access to psych notes

  • Primary care physician grants overall record access to a covering doctor or practice, but blocks access to the psych notes.


Patient restricts access to HIV test results

  • The patient arrives at the emergency room with a severe trauma. The restrictions are overridden to provide the best treatment.


Patient is a care giver in a medical system

  • For the whole record, the patient grants access only to the primary care giver.

  • If billing is done in house, the billing staff is granted access to the record of services and charges.


Summary of Requirements

  • ACLs + selectors yielding fine grained access control

  • Persistence of access semantics over organizational boundaries

  • Override mechanism(s) such as “super user”

  • Ability to change access over time and context


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