Issuer of Patient ID (0010,0021)

What it holds

Identifies the assigning authority that issued the Patient ID, for example a specific hospital or enterprise MPI.

In migrations and validation

Often empty in older archives. In consolidations it is the field that tells you which site an MRN belongs to, so populating it consistently on the way into a VNA prevents collisions between identical MRNs from different facilities.

Related tags

• Patient ID (0010,0020): PatientID, LO
• Other Patient IDs Sequence (0010,1002): OtherPatientIDsSequence, SQ

More patient tags

• Patient's Name (0010,0010)
• Patient's Birth Date (0010,0030)
• Patient's Sex (0010,0040)
• Patient's Age (0010,1010)

Tag, keyword, VR and VM per the DICOM standard, PS3.6 data dictionary. Notes by DICOMATICS. Looking for another tag? Use the DICOM tag lookup.