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Medical Lab Assistant Jobs in Ontario (NOW HIRING)

Lab Assistant Specimen Processing

Brampton, ON · On-site

CA$19.75 - CA$23.50/hr

Medical laboratory environment * Required walking with repetitive motions * May sit or stand for prolonged period of time with extensive computer use * Required to lift a maximum of 30 pounds as ...

Lab Assistant

Cannington, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Belleville, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Ottawa, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab ... Medical laboratory environment * May be required to lift a maximum of 30 pounds * Repetitive ...

Lab Assistant

Kitchener, ON

CA$21 - CA$23.25/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Keswick, ON · On-site

CA$20 - CA$23.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Oakville, ON · On-site

CA$21 - CA$23.25/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Port Perry, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Belleville, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Northbrook, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Peterborough, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

Lab Assistant

Northbrook, ON · On-site

CA$21 - CA$24.75/hr

You have completed Secondary School and a Laboratory Assistant training program or a Medical Lab Assistance course with specialized training in phlebotomy * You are customer-focused with a genuine ...

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Medical Lab Assistant information

See Ontario salary details

$10

$17

$26

How much do medical lab assistant jobs pay per hour?

As of Aug 28, 2026, the average hourly pay for medical lab assistant in Ontario is $17.10, according to ZipRecruiter salary data. Most workers in this role earn between $13.70 and $19.71 per hour, depending on experience, location, and employer.

What is a medical lab assistant?

Medical Lab Assistants are healthcare professionals who support laboratory technologists and technicians by preparing samples, conducting basic tests, and ensuring lab equipment is clean and functioning. They play a crucial role in the diagnosis and treatment of patients by handling specimens such as blood, urine, and tissue. Their responsibilities include labeling samples, recording data, and sometimes interacting with patients to collect samples. Medical Lab Assistants work in hospitals, clinics, research laboratories, and diagnostic centers, helping to ensure accurate and timely test results.

What does a medical lab assistant do?

As a medical lab assistant, you typically work in a hospital or clinical/medical laboratory. This role is slightly different than a lab tech position in that you have less responsibility. As a lab assistant, it’s your job to assist technologists and technicians with lab tests. Depending on the specific position, your duties may include preparing specimens, managing their storage, and keeping track of the results. Other everyday tasks involve keeping the lab equipment clean, maintaining an accurate inventory of supplies, and placing orders as needed. You may also have administrative duties, like billing and filing.

What are the key skills and qualifications needed to thrive as a medical lab assistant, and why are they important?

To thrive as a Medical Lab Assistant, you need a solid understanding of laboratory procedures, specimen handling, and safety protocols, typically gained through a diploma or certificate in medical laboratory technology. Familiarity with laboratory information systems (LIS), centrifuges, and automated analyzers is important for efficient workflow. Attention to detail, organizational skills, and effective communication help ensure accurate results and smooth collaboration with healthcare teams. These skills and qualities are essential for maintaining high standards of laboratory accuracy, safety, and timely patient care.

What are some common challenges medical lab assistants face in their daily work, and how can they be managed?

Medical Lab Assistants often encounter challenges such as handling a high volume of specimens, maintaining accuracy under time pressure, and adhering to strict safety protocols. Managing these challenges involves strong organizational skills, effective communication with laboratory technologists and other healthcare staff, and diligent attention to detail. Many labs offer ongoing training and support to help assistants stay current with best practices and improve workflow efficiency, ensuring patient safety and reliable test results.

What is the difference between Medical Lab Assistant vs Medical Laboratory Technician?

AspectMedical Lab AssistantMedical Laboratory Technician
CredentialsHigh school diploma, phlebotomy certificationAssociate degree in medical laboratory technology, certification often required
Work EnvironmentClinics, hospitals, diagnostic labsHospitals, diagnostic labs, research facilities
Job DutiesSample collection, preparing specimens, basic testingPerforming complex tests, analyzing samples, operating lab equipment
Employer & IndustryHealthcare facilities, clinicsHospitals, research labs, diagnostic centers

Medical Lab Assistants typically handle sample collection and basic tasks, while Medical Laboratory Technicians perform more complex testing and analysis. Both roles are essential in healthcare labs, but Technicians usually require more advanced education and certification.

How much does a medical lab assistant get paid?

A medical lab assistant typically earns between $30,000 and $45,000 annually, depending on experience, location, and certification level. Salaries can vary based on the healthcare setting and whether the role requires specialized skills or equipment handling.

Is a medical lab assistant a good career?

A medical lab assistant is a valuable healthcare professional who performs laboratory tests and prepares specimens, supporting diagnosis and treatment. The role typically requires attention to detail, technical skills, and certification, with job prospects generally stable due to ongoing demand in healthcare settings.

What are the most commonly searched types of Medical Lab jobs in Ontario?

The most popular types of Medical Lab jobs in Ontario are:

What are popular job titles related to Medical Lab Assistant jobs in Ontario?

For Medical Lab Assistant jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Medical Lab Assistant jobs in Ontario look for?

The top searched job categories for Medical Lab Assistant jobs in Ontario are:

What cities in Ontario are hiring for Medical Lab Assistant jobs?

Cities in Ontario with the most Medical Lab Assistant job openings:

Infographic showing various Medical Lab Assistant job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 16% Part Time, and 6% Contract. Highlights an 87% Physical, 1% Hybrid, and 12% Remote job distribution, with an average salary of $35,560 per year, or $17.1 per hour.

Medical Lab Assistant

Hamilton, ON • On-site

Part-time

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

Under supervision and direction the Medical Laboratory Assistant is responsible for the proper collection of appropriate specimens for laboratory testing on inpatients and outpatients. The Lab Assistant performs a variety of laboratory tasks, which require learned manual skills rather than a technological training, to assist the trained technologists in various sections within the Department of Laboratory Medicine. 

1. Grade 12 education or recognized equivalent 
2. OSMT Certified Medical Laboratory Assistant Certificate 
3. Recent (minimum 3 years) experience 
4. Experience in receiving and handling Laboratory Specimens 
5. Experience and demonstrated proficiency in blood collection and collection of other body fluids as necessary 
6. Data entry and Order entry skills in Meditech 
7. Excellent communication skills and ability to work in a team environment