July 21, 2026: Improved classification of ADT-sourced encounters

Zus has improved how it classifies encounters that arrive from ADT feeds — the ADT counterpart to the June 4 improvement for EHR/CDA-sourced encounters.

Previously, ADT-sourced encounters could be assigned an incorrect Encounter.class (for example, IMP / inpatient for a visit that was actually outpatient or emergency), which propagated to EpisodeOfCare.extension:encounterClass and could generate phantom inpatient Transitions of Care. Encounters that arrived without a determinable class or type could also produce low-quality episodes, and some encounter types (such as radiology) were not consistently classified as ambulatory.

With this change:

• ADT-sourced encounter class is derived more accurately, reducing phantom inpatient Transitions of Care from the ADT route.
• Encounters that lack a usable class or type are excluded from Transition of Care creation, avoiding spurious episodes.
• Radiology encounters are now correctly classified as ambulatory (AMB).

No changes are required on the customer side — the improvements are reflected automatically in the Encounter and EpisodeOfCare resources.