Where used:
| Attribute | CONSULTANT CODE | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Attribute | DOCTOR INDEX NUMBER | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Attribute | PROFESSIONAL REGISTRATION ENTRY IDENTIFIER | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Class | GENERAL MEDICAL PRACTITIONER | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Class | GENERAL MEDICAL PRACTITIONER | has an attribute GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Class | GENERAL PRACTITIONER | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Class | OPHTHALMIC MEDICAL PRACTITIONER | has an attribute GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Data Element | CONSULTANT CODE | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Data Element | GENERAL MEDICAL PRACTITIONER (SPECIFIED) | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Data Element | REFERRER CODE | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER | 
| Supporting Information | Organisation Data Service Default Codes | references in description GENERAL MEDICAL COUNCIL REFERENCE NUMBER |