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devel / comp.protocols.dicom / Re: Hash PatientID to Base62 (a,b,..,z,A,B,..Z,0,1,..,9)

Re: Hash PatientID to Base62 (a,b,..,z,A,B,..Z,0,1,..,9)

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Subject: Re: Hash PatientID to Base62 (a,b,..,z,A,B,..Z,0,1,..,9)
From: david.gobbi@gmail.com (David Gobbi)
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by: David Gobbi - Tue, 3 Oct 2023 21:06 UTC

All DICOM software will preserve capitalization. As for honouring capitalization during a query, case-insensitivity is really only permitted for names (PN). As far as I understand, IDs are always treated as case-sensitive.

https://dicom.nema.org/dicom/2013/output/chtml/part04/sect_C.2.html

But then again, base 36 should be more than sufficient. RSNA-CTP, for example, simply uses base 10 to store hashes. I prefer uppercase and digits in IDs for the rare occasions when I have to recite them over the phone.

Subject	Author
Hash PatientID to Base62 (a,b,..,z,A,B,..Z,0,1,..,9)	David Gobbi