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HealthInfo Canterbury

National Health Index (NHI) numbers

The National Health Index (NHI) number is the unique patient identifier used in the New Zealand health system. Any patient who has had contact with the New Zealand health system should have an NHI number consisting of three letters and four numbers, for example ABC1235.

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Written by HealthInfo clinical advisers. Updated January 2014.

Page reference: 87197

Review key: HIYHI-77571