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.