| Data Element | Episode of admitted patient care-proposed principal referral service on separation | QH 041042 Version 2 | Current | Standard |
| Data Element | Needle and Syringe Program (NSP) occasion of service-internal/external referral service type | QH 041925 Version 1 | Current | Standard |
| Data Element | Needle and Syringe Program (NSP) occasion of service-principal referral service | QH 041924 Version 1 | Superseded | Standard |
| Data Element | Needle and Syringe Program (NSP) occasion of service-principal referral service | QH 041924 Version 2 | Superseded | Standard |
| Data Element | Needle and Syringe Program (NSP) occasion of service-principal referral service | QH 041924 Version 3 | Current | Standard |
| Data Element | Needle and Syringe Program (NSP) occasion of service-referral action type | QH 041926 Version 1 | Current | Standard |
| Data Element | Non-admitted patient care (outpatient)-source of referral | QH 040938 Version 1 | Superseded | Standard |
| Data Element | Non-admitted patient care-referral issue date | QH 040928 Version 1 | Superseded | Standard |
| Data Element | Non-admitted patient care-referral receipt date | QH 040929 Version 1 | Superseded | Standard |
| Data Element | Non-admitted patient care-specialist outpatient service-referral | QH 040927 Version 1 | Superseded | Standard |