The HSE's placed advertisements in the national media outlining the potential disruption to health services during the nurses' strike.
A 24-hour work stoppage will take place on Wednesday in the row over pay and the retention and recruitment of staff.
The ads highlight the likely impact on acute hospitals and community services.
The HSE says it will continue to work with the INMO on arrangements to ensure safe service provision.
Three days of talks at the Workplace Relations Commission last week failed to resolve the dispute.
Services that will not operate on the day of the strike:Local injury units will not operateWith the exception of cancer surgery cases all other planned in-patient and day case surgery will be cancelledAll out-patient appointments are cancelled, including Adult, Maternity and PaediatricIn the event that a pregnant woman requires urgent assessment due to cancellation of OPD, she should present to the emergency admission room
Services that will operate on the day of the strike will include the following:Urgent cancer surgery. Patients will be contacted directly by hospitals if their surgery is proceedingEmergency theatresIn-patient wardsMaternity services (delivery suites/home births/special care baby units/neonatal)Critical careColposcopy servicesOncology services (chemotherapy & radiotherapy)DialysisEmergency departments (adult and paediatric)Planned obstetric procedures (based on maternal & foetal well being)
Services that will not operate on the day of the strike:All public day centres for older people or people with disabilities, where nurses are employed, will closeAll routine community nursing services and health centre clinics where nurses participate will be cancelledAll day hospitals or out-patient appointments in community nursing hospitals/units will be cancelled
Services that will operate on the day of the strike include the following:Planned essential services at homeLong term care of older people and people with intellectual disabilityPalliative careLimited newborn screening service will be operational