NIH DIrective

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  • National Clinical Trials Network (NCTN) Date Handling

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In addition to modifying the actual date fields in the DICOM header, the "days offset from registration" values are calculated and stored in the DICOM tag (0012,0052) Longitudinal Temporal Offset from Event with the associated tag (0012,0053) Longitudinal Temporal Event Type set to “REGISTRATION”. 

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