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An indicator of whether a person identifier is for a uniquely identifiable person within an establishment or agency, as represented by a code.


Data Element (this item)


This representation is based on the value domain for this data element, more information is available at " Yes/no code N ".
Data Type Boolean
Format N
Maximum character length 1
Value Meaning Start Date End Date
Permissible Values 1 Yes
2 No


Guide for use:

CODE 1 Yes

This code means the patient identifier is a number for a uniquely identified person.


This code means the patient identifier is a number for a non-uniquely identifiable person.

The assignment of Person identifier to a uniquely identifiable individual is important for the Community Mental Health Care (CMHC) NMDS to permit the determination of the number of clients receiving services within a jurisdiction. The ability of jurisdictions to generate unique identifiers varies, as described in the data quality statement for the CMHC NMDS.


Related content

Relation Count
Use within a Question 0
As a numerator in an Indicator 0
As a denominator in an Indicator 0
As a disaggregation in an Indicator 0