Demographics and other administrative information about an individual or animal receiving care or other health-related services.

An NHS Number identifier for this patient.

Patients are almost always assigned specific numerical identifiers.

Establishes the namespace in which set of possible id values is unique.

There are many sequences of identifiers. To perform matching, we need to know what sequence we're dealing with. The system identifies a particular sequence or set of unique identifiers.

The portion of the identifier typically displayed to the user and which is unique within the context of the system.

Each NHS Number is made up of 10 digits shown in a 3-3-4 format.