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ADT A13 - Cancel Discharge/End Visit

A13 is used to trigger cancellation of previous discharge message. This could happen if it is decided that patient need more care after discharging or discharge message was trigger by mistake.
In HL7, ADT A13 event is used to trigger cancellation of dischange for an admitted patient. This can alos cancel end visit notification fro non-admitted patients.

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HL7 Identifiers (Person, Patient, Account, Visit)

Healthcare systems uses different ways to identify a person or patient within the system. Most common way is to use a Medical Record Number(MRN). Patient gets a unique MRN when he/she visits a hospital for first time. If a patient visits two facilities in a hospital network he will get unique MRN for each facility. With every MRN there would be one or more accounts associated. Account number would identify a single course of treatment or episode of care. With every Account there would be one or more Visits associated. Visit Number identify a single visit or encounter during episode of care.

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ADT A12 - Cancel Transfer

In hospitals, there might be a need to cancel patient transfer (physical location). This happens when an HL7 A02 (transfer patient) message was triggered by mistake by system or there was a wrong decision made to transfer patient.

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ADT A11 - Cancel Admit/Visit Notification

In hospitals, there might be a need to cancel an admission for admitted patients (Admitted patients are one for whom we have received and A01). This happens when hospital/doctor decides not to admit a patient. This can also happen when a patient is admitted by mistake and records need to be corrected.

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ADT A03 Discharge Patient / End Visit

Patien's will get discharged from hospitals after recieving care. This signals end of patient's stay in healthcare facility.
In HL7, ADT A03 event is used to trigger dischange for an admitted patient. This can alos end visit fro non-admitted patients.

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