Five IDs · nothing mixes
Each fact gets its own tag.
So OPD, lab, IPD and the bill never borrow someone else’s row.
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01
Patient ID
Who this person is — once, for life in your hospital.
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02
Visit ID
This hospital day or stay. OPD or IPD hangs here.
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03
Encounter ID
This meeting with the doctor — separate from the whole visit.
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04
Diagnosis ID
Each diagnosis is its own record, with a code.
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05
Intervention ID
Each test or treatment done — not lost in notes.
