Ordering of Chest X-Rays within Occupational Health and Safety Services

Medical Directive ID: 
Lead Contact Person: 
Rhodora Laylo, Coordinator Infection Safety
Physician/Nurse Lead: 
Dr. Elaine Thurgood
Occupational Health and Safety Services
Approval By: 
Medical Advisory Committee
Original Effective Date: 
Wednesday, November 9, 2016
Revised Date: 
Friday, August 14, 2020
To Be Reviewed Date: 
Monday, August 14, 2023
This Medical Directive Applies to the following sites: 
All SJH sites
This Medical Directive Applies to the following patient population: 

This medical directive provides authority to communicate an order to the Occupational Health Nurses (OHNs) to order a screening Chest PA and lateral X-Ray for staff members of St. Joseph’s Health Care for purposes of pre-placement screening/exposure surveillance when a Tuberculosis (TB) Skin Test is positive or contraindicated and the staff member is not thought to be pregnant.


All employees, persons with practicing privileges, contract workers, students and volunteers who carry on activities within St. Joseph’s Health Care London will have access* to a Chest X-Ray for the purposes of TB screening (when deemed appropriate) through Occupational Health and Safety Services. For the purpose of this medical directive, these groups will be collectively referred to as staff members.

*Any costs incurred to meet the requirements related to initial health review/clearance is the responsibility of the staffmember.

Click the link to view the entire medical directive in detail: 


SurnameKnown ByDate Signed
ThurgoodElaineOct 8 2020 10:11:25:530AM