Work as a medical scientist in Ireland: CORU, ToPC (2026)

• You hold a medical laboratory science qualification that gives access to the profession where it was awarded.
• You can provide evidence of eligibility to practise from the competent authority in your home state; current registration is not required.
• If the profession is unregulated there, you can show one year of employer-verified practice in the last ten years.
• You meet the English requirement (IELTS Academic 7.0 with no band below 6.5, or Cambridge C1 Advanced grade C) or an exemption. There is no OET option for medical scientists.
• You can travel to Dublin for the ToPC at your own expense and bring your own laptop.
• You can pass the ToPC with at least 50% overall, including the discipline and research thresholds.
• You can supply police clearance for each country you lived in one year and one day or more since age 18, and complete eVetting.
• You can make the statutory declaration and meet the fit and proper requirement.

Check your route with the route finder

• CORUCORU, Health and Social Care Professionals Council

  Allied health and social care professions

  How to register with the CORU

1. 1

   Confirm you are applying for the right register

   This route is for medical scientists who work in hospital and clinical laboratories. Read the Medical Scientists Registration Board standards of proficiency so you know what the ToPC tests. There is no UK fast track for this profession.
2. 2

   Meet the English requirement

   Unless an exemption applies, take IELTS Academic (7.0 overall, no band below 6.5) or Cambridge C1 Advanced at grade C. There is no OET option for medical scientists. CORU requires English evidence before you can progress to the ToPC.
3. 3

   Get eligibility-to-practise evidence

   Obtain verification from the competent authority in the country where you qualified that you are eligible to practise. You are no longer asked for qualification details under the ToPC route, so this document is central. If the profession is unregulated there, provide one year of employer-verified practice in the last ten years.
4. 4

   Prepare the statutory declaration, police clearance and eVetting form

   Swear the statutory declaration before a solicitor, Commissioner for Oaths, Peace Commissioner or Notary Public, dated within six months. Get police clearance, issued within 12 months, from each country you lived in for one year and one day or longer since age 18, and complete the NVB1 eVetting form.
5. 5

   Apply online and pay

   Apply through the CORU application portal and pay the fee, which includes the ToPC. Upload certified ID and the other documents. CORU acknowledges within one month and lists anything missing.
6. 6

   Prepare for the ToPC

   Revise all five disciplines: cellular pathology, haematology, clinical biochemistry and immunology, medical microbiology and blood transfusion, plus research methods for the research question. Use the ACSLM ToPC resources and sample questions. Domains 1 to 4 (professional practice) carry 30% of the marks, so do not neglect ethics, communication and quality.
7. 7

   Sit the ToPC in Dublin

   Attend the test at the ACSLM offices with your own laptop. The MCQ paper has 60 questions; the scenario paper has six questions, with one chosen from two for each discipline and a research question from a discipline you choose. Travel and accommodation are at your own expense.
8. 8

   Register and start work

   A pass shows you meet the threshold for recognition and lets your registration progress. Once eVetting is complete you are entered on the register and can use the title medical scientist. Renew every year by 31 March.

• Test of Professional Competence: MCQ paper

  60 multiple-choice questions, worth 40% of the overall result, lasting 40 to 60 minutes, sat in a proctored exam setting. It covers all five disciplines of medical science.

• Test of Professional Competence: scenario and case study paper

  Six questions over 120 to 140 minutes. Questions one to five each cover one discipline, answering one from a choice of two; question six is a research question from a discipline of your choice. Total test length is about three hours, with a break between papers.

• Marking and pass rules

  Domains 1 to 4 carry 30% of the marks and domain 5 (professional knowledge and skills) 70%. In domain 5 you need 50% overall, 50% in four of the five disciplines with none below 40%, and 50% on the research element, which is worth 15% of domain 5. The overall pass mark is 50%.

• Repeats

  Each component can be repeated once if failed at the first attempt. CORU's guidance says failing at the second attempt ends your eligibility for recognition.

• CORU's language policy, in force for applications submitted on or after 8 May 2026, requires a language test unless you meet one of three exemptions.
• Exemption I: you completed a CORU-approved qualification, a Commonly Aligned qualification taught and assessed in English, or a professional qualification from an EU country where English is a co-official language.
• Exemption II: a letter from your university confirms your qualification and supervised placements were in English or Irish, and the qualification was obtained within the previous 2 years.
• Exemption III: you have lived in and practised your profession through English, in a country where English is the sole official language, for at least 2 of the past 5 years, shown by employer letters. CORU keeps the approved country list internally.
• Medical Scientists Registration Board scores: IELTS Academic 7.0 overall with no element below 6.5, or Cambridge C1 Advanced at grade C. CORU specifies no OET test for medical scientists. CORU says you must provide English evidence before you can progress to the ToPC.
• IELTS must be a physical test. Certificates must be dated within two years of your application.
• CORU accepts results from a maximum of two IELTS sittings within six months, with the overall minimum met on both, but not IELTS One Skill Retake.

Estimate your total cost

• CORU publishes ToPC dates on its website; the scheduled sitting is Saturday 14 November 2026 in Dublin.
• You must provide eligibility-to-practise and English evidence before you can progress to the ToPC, so complete these well before the date.
• CORU acknowledges applications within one month and gives six months to supply missing documents.
• Each ToPC component can be repeated once if failed. A second failure ends eligibility for recognition, so prepare thoroughly.
• After a pass, you complete registration; CORU invites the registration application in parallel to save time.

HSE consolidated pay scales from 1 June 2026, for those in post or appointed from 1 January 2024. Private laboratories set their own pay.

• Medical scientist

  €45,279 to €75,148

  16 points including long service increments.

• Medical scientist, senior

  €68,687 to €90,688

• Specialist medical scientist

  €76,302 to €96,839

• Medical scientist, chief

  €83,200 to €106,830

  Up to €119,549 with qualifications set out in DoH Circular 2/2024.

• HSE and voluntary hospital laboratories: haematology, biochemistry, microbiology, histopathology and blood transfusion.
• The Irish Blood Transfusion Service.
• National reference laboratories and public health laboratories.
• Private hospital and community laboratories.

• Medical scientists are on the Critical Skills Occupations List published by the Department of Enterprise, Tourism and Employment, so a job offer can support a Critical Skills Employment Permit without a Labour Market Needs Test.
• The Department says the job offer must be for at least 2 years. The general salary floor for listed occupations is €40,904 with a relevant degree (€36,848 if you qualified in the previous 12 months), but where the role is in the public sector and covered by a public sector pay agreement, the rate of pay under that agreement applies.
• The processing fee is €1,000, and 90% is refunded if the application is refused. The employer or the employee can apply on Employment Permits Online, at least 12 weeks before the planned start date, and an employer who applies may not recover the fee from you.
• Critical Skills permit holders can apply straight away for family reunification, and Immigration Service Delivery may give a spouse or de facto partner Stamp 1G, which lets them work without an employment permit. You are expected to stay with the first employer for at least 9 months.
• When the permit ends, the Department says you can apply to the immigration service for permission to live and work in Ireland without an employment permit. If a role does not meet the Critical Skills criteria, a General Employment Permit (generally €36,605 minimum salary, €1,000 fee for up to 24 months) may be an option.
• Registration and the permit are separate. Employers normally want your CORU registration in place, or very close, before they make the job offer that the permit relies on. Immigration permission to enter and reside is handled by the Department of Justice's immigration service, not by CORU.

1. 1

   A GCC laboratory licence does not transfer. Under the ToPC route, CORU no longer assesses your qualification on paper; your exam result decides recognition.

2. 2

   Your Gulf laboratory experience matters for the exam itself. Revise all five disciplines, not just the bench you work on, because the ToPC requires 50% in four of the five.

3. 3

   You still need eligibility-to-practise evidence from the country where you qualified, and CORU may seek good standing from your Gulf regulator.

4. 4

   Police clearance is needed from each Gulf country where you lived one year and one day or longer since age 18, issued within 12 months.

5. 5

   There is no OET option for medical scientists and Gulf practice does not meet exemption III, so plan for IELTS Academic 7.0 (no band below 6.5) or Cambridge C1.

• Application plan with every step, fee and deadline

• Document checklist tailored to you, and a review of each document before upload

• Timeline built around the regulator's closure windows and document validity periods

• Help completing the application forms accurately and consistently

• Support with profession-specific evidence, such as the HCPC standards of proficiency mapping

• Guidance on certificates of good standing, references and certified translations

• Preparation for identity checks and declarations on health and character

• Tracking your application and help responding to regulator requests

• Next steps after the decision: exams, adaptation, PIN or licence and your first job

Regulators make all registration decisions and set all fees. Our fee is separate from the regulator's fees, exam fees and translation costs.

What our registration and licensing support includesPackages and fees