NOC 31100 job description: medical microbiologist duties and responsibilities
- Administer anesthetics prior to, during, or after surgery or other medical procedures.
- Diagnose and provide non-surgical treatment of diseases and injuries of internal organ systems. Provide care mainly for adults who have a wide range of problems associated with the internal organs.
- Diagnose, treat, and help prevent children's diseases and injuries.
- Diagnose, treat, and help prevent disorders of the mind.
- Diagnose, treat, and help prevent allergic diseases and disease processes affecting the immune system.
- Provide inpatient care predominantly in settings such as medical wards, intensive care units, rehabilitation centers, or emergency rooms. Manage and coordinate patient care throughout treatment.
- Diagnose, treat, and help prevent diseases and disorders of the nervous system involving the brain and spinal cord and other nerve and muscular conditions.
- Diagnose and treat diseases using radioactive materials. May monitor radionuclide preparation, administration, and disposition.
- Diagnose, treat, and help prevent diseases or other conditions of the skin.
- Diagnose and treat disorders requiring physiotherapy to provide physical, mental, and occupational rehabilitation.
- Apply knowledge of general preventive medicine and public health issues to promote health care to groups or individuals, and aid in the prevention or reduction of risk of disease, injury, disability, or death. May diagnose and treat patients in the context of clinical health promotion and disease prevention.
- Examine and diagnose disorders and diseases using x-rays and radioactive materials. May treat patients.
- Diagnose and treat diseases and physiological or psychiatric disorders. Order laboratory tests, X-rays and other diagnostic procedures. Prescribe medication and treatment and refer patients for surgery. Act as consultants to other physicians. May conduct medical research.
- Diagnose presence and stage of diseases using laboratory techniques and patient specimens. Study the nature, cause and development of diseases in humans and the structural and functional changes caused by diseases. Act as consultants to other physicians. May perform autopsies.
Job titles under NOC 31100
See every job title and its code in the A–Z job title index, or all TEER 1 jobs.
Is NOC 31100 eligible for Express Entry?
By TEER, yes. TEER 1 is inside the TEER 0 to 3 range that the Federal Skilled Worker Program and Canadian Experience Class accept. You still need qualifying work experience, language test results and enough CRS points to get an invitation. Category-based draws and provincial nominee programs use their own occupation lists.
| Program | TEER check | Why |
|---|---|---|
| Federal Skilled Worker | TEER qualifies | TEER 1 is within TEER 0 to 3 |
| Canadian Experience Class | TEER qualifies | TEER 1 is within TEER 0 to 3 |
| Federal Skilled Trades | Not a listed trade | Only certain trade groups qualify. Check IRCC |
| Spouse's open work permit | Qualifies | All TEER 1 jobs qualify. SOWP rules |
Category-based draws: NOC 31100 is on IRCC's Healthcare and social services, Physicians list (checked 2026-10-16). Under NOC 2016, TEER 1 was skill level A ("NOC A").
Category-based Express Entry draws and provincial nominee programs use their own occupation lists. Check the current lists on IRCC's Express Entry page and provincial nominee page.
NOC 31100: common questions
What is NOC 31100?
NOC 31100 is the code for specialists in clinical and laboratory medicine in Canada's National Occupational Classification (NOC 2021). Its first digit, 3, is the broad category and its second digit, 1, is the TEER level. Immigration forms, job offers and LMIA applications use this five-digit code.
What TEER is NOC 31100?
NOC 31100 is TEER 1. Occupations that usually need a university degree. Under the older NOC 2016 system, TEER 1 lines up with skill level A.
Is NOC 31100 eligible for Express Entry and PR?
By TEER, yes. TEER 1 is inside the TEER 0 to 3 range that the Federal Skilled Worker Program and Canadian Experience Class accept. You still need qualifying work experience, language test results and enough CRS points to get an invitation. Category-based draws and provincial nominee programs use their own occupation lists.
Is NOC 31100 in a category-based Express Entry draw?
Yes. As of IRCC's list dated 2026-10-16, NOC 31100 is in the healthcare and social services and physicians categories. Category-based draws invite candidates with at least 6 months of continuous work experience in one of the listed occupations, and IRCC updates the lists from time to time.
Is NOC 31100 eligible for a spousal open work permit (SOWP)?
Yes. All TEER 1 jobs qualify, so a worker in this job can support a spouse's open work permit, as long as their own work permit has at least 16 months left when the spouse applies (IRCC page modified 2026-06-12).
What is the NOC code for a medical microbiologist?
Medical microbiologist is listed under NOC 31100, specialists in clinical and laboratory medicine. The job title alone does not decide your code: your duties should match the main duties of NOC 31100.
How do I know if NOC 31100 is my NOC code?
Compare what you actually do with the main duties listed for NOC 31100, not just your job title. IRCC expects your duties to match the lead statement and most of the main duties of the code you choose. If they fit another code better, use that one. You can paste your duties into nocfinder to see how they line up, duty by duty.
Source: ESDC NOC 2021 · IRCC program pages. Not legal advice.