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Change History |
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Admitted Patient Care Minimum Data Set (APC MDS) Data Validity Standards |
The Community Health Index (CHI) is a population register, which is used for patients resident in Scotland for health care purposes.
The CHI number is a unique numeric identifier, allocated to each patient on first registration with the Service The CHI number is a 10-character code consisting of the 6-digit patient date of birth (format: ddmmyy), two digits, a 9th digit which is always even for females and odd for males and an arithmetical check digit.