Australia (au)

Locale code

au

Patient identifiers

Individual Healthcare Identifier (IHI)

• System: http://ns.electronichealth.net.au/id/hi/ihi/1.0
• Format: 16 digits, prefix 800360
• Algorithm: Luhn — 9 random digits are appended to the 800360 prefix, then a Luhn check digit is computed over all 15 digits.

Medicare Number

• System: http://ns.electronichealth.net.au/id/medicare-number
• Format: 10 digits
• Algorithm: Weighted sum (Mod 10) — positions 1–7 are weighted by [1,3,7,9,1,3,7], sum mod 10 gives the check digit at position 8. Positions 9–10 are reference and IRN digits.

Practitioner identifiers

Healthcare Provider Identifier — Individual (HPI-I)

• System: http://ns.electronichealth.net.au/id/hi/hpii/1.0
• Format: 16 digits, prefix 800361
• Algorithm: Luhn — same structure as IHI but with prefix 800361.

Organisation identifiers

Healthcare Provider Identifier — Organisation (HPI-O)

• System: http://ns.electronichealth.net.au/id/hi/hpio/1.0
• Format: 16 digits, prefix 800362
• Algorithm: Luhn — same structure as IHI but with prefix 800362.

Address format

Australian suburb/state/postcode format. Country code AU.

Name pool

Common Australian given and family names.