title: How to understand the DICOM tag 0040,db73 ? How to validate if the values are correct?
body: <p>I am working on one of the issue with the SR. The issue is happening with the values of the dicom tag 0040,db73 (referenced content identifier). Tried to understand from the standard document but did not get much details. How to validate if the value of this tag is correct or not? Is there a way to figure out if there is any issue with tag value  </p>
  
  <p><a href="https://i.stack.imgur.com/bfvKz.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bfvKz.jpg" alt="DICOM tag 0040,db73"></a></p>