O
Observable EntityObservable Entity Date
Observable Entity Time
Obstetrician
Occupational Psychologist
Occupational Therapist
Office for National Statistics
Ofsted
Online Instant Messaging
Onset of Established Labour
Open Breast Screening Episode
Operating Department Practitioner
Operating Theatre Session
Optical Headquarters
Optical Site
Ordinarily Resident
Orthodontic Therapist
Orthoptist
Orthotist
Osteopath
Other Intermediate Care Waiting Time Measurement
Other Intermediate Care Within 2 Days Waiting Time Measurement
Other Statutory Authority
Out-Patient Appointment
Out-Patient Appointment Consultant
Out-Patient Appointment Non-Consultant
Out-Patient Attendance Consultant
Out-Patient Clinic
Out-Patient Waiting List
Output Area
Overseas Visitor
Overseas Visitor Charging Category
Oxford Orthopaedic Questionnaire
Oxford Orthopaedic Questionnaire (Shoulder)
Oxygen Saturation
Oxygen Therapy
