History description 2014-03-26: Lock all vaue sets untouched since 2014-03-26 to trackingId 2014T1_2014_03_26
description: Definition: SSpecifies the reason that a test was performed or observation collected in a clinical research study.
Note: This set of codes are not strictly reasons, but are used in the currently Normative standard. Future revisions of the specification will model these as ActRelationships and thes codes may subsequently be retired. Thus, these codes should not be used for new specifications.