Which identifier is used to refer to a patient's visit and is linked to HARs for lookup?

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Multiple Choice

Which identifier is used to refer to a patient's visit and is linked to HARs for lookup?

CSN acts as the stable, cross-system key for a specific patient visit. It is the identifier HARs use to locate all data tied to that encounter across the Epic Radiant data layers, so every note, result, and action from that visit can be retrieved together by looking up the same CSN. The actual visit number (an encounter) is tied to the event, but it isn’t the universal lookup anchor that HARs rely on. The other identifiers given aren’t used for cross-system visit lookups in HARs, so they don’t provide the consistent linkage needed to pull the complete visit record.

CSN acts as the stable, cross-system key for a specific patient visit. It is the identifier HARs use to locate all data tied to that encounter across the Epic Radiant data layers, so every note, result, and action from that visit can be retrieved together by looking up the same CSN. The actual visit number (an encounter) is tied to the event, but it isn’t the universal lookup anchor that HARs rely on. The other identifiers given aren’t used for cross-system visit lookups in HARs, so they don’t provide the consistent linkage needed to pull the complete visit record.

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