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?:definition
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A coded value specifying the anatomic location that is the focus of the observation. EXAMPLE(S): Lower intestine for a colonoscopy observation OTHER NAME(S): NOTE(S): The target site of the result may be different than the target site of the activity (PerformedObservation) that generated it. For example, a chest x-ray (observation) has the target site of chest while the result might show an infiltration in the left lower lobe of the lung (target site of result), or a dermatological exam may check the skin across the whole body (target site of observation) while the result might identify a rash on the right leg (target site of result). Neither target anatomic site nor approach anatomic site is necessarily required or relevant for certain observations, however if either or both are present then the distinction between them is that the approach site is where the measurement or observation is performed and the target site is what is ultimately being evaluated. The target site is often implicit in the definition of the observation itself. Sources that capture anatomic site and laterality separately should map both to this attribute. For implementation models based on BRIDG where site and laterality are captured separately, you may wish to capture both concepts as a post-coordinated code structure or as multiple code repetitions
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