This code system http://hl7.org/fhir/measure-definition-example defines the following codes:

Code Display Definition
screening Screening Completion of a clinical or diagnostic tool used to identify people at risk of developing or having a certain disease or condition, even in the absence of symptoms.
standardized-depression-screening-tool Standardized Depression Screening Tool A normalized and validated depression screening tool developed for the patient population in which it is being utilized.
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