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Lab Assistant Jobs in Chesterfield, MO (NOW HIRING)

Quest Diagnostics

Prep Lab Assistant

Saint Louis, MO · On-site

$17.20/hr

Prep Lab Assistant - Maryland Heights, MO, Monday to Friday, 11:30 PM to 8:00 AM, with rotational weekends Department: Microbiology Position provides a wide variety of support for assigned lab ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO · On-site

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO · On-site

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

Mercy

AP Lab Assistant I

Saint Louis, MO

Adheres to patient identification, Lab safety, and other Mercy Lab and department policies and procedures. Performs duties and responsibilities in a manner consistent with our mission, values, and ...

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Lab Assistant information

See Chesterfield, MO salary details

$10

$20

$29

How much do lab assistant jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for lab assistant in Chesterfield, MO is $20.04, according to ZipRecruiter salary data. Most workers in this role earn between $16.39 and $22.84 per hour, depending on experience, location, and employer.

What is a lab assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

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

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What are some common challenges faced by lab assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

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

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

How much does a lab assistant get paid?

Lab assistants typically earn between $25,000 and $40,000 annually, depending on experience, location, and the specific industry or laboratory setting. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Pay can also vary based on full-time or part-time status and the complexity of tasks performed.

What exactly does a lab assistant do?

A lab assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or technicians and may need knowledge of lab procedures and basic scientific techniques.

What qualifications do I need to be a lab assistant?

To become a lab assistant, candidates typically need a high school diploma or equivalent; some positions may require postsecondary education or relevant coursework in science. Basic knowledge of laboratory procedures, attention to detail, and familiarity with lab equipment are important. Certifications such as OSHA safety training can also be beneficial.
More about Lab Assistant jobs

What are the most commonly searched types of Lab jobs in Chesterfield, MO?

The most popular types of Lab jobs in Chesterfield, MO are:

What are popular job titles related to Lab Assistant jobs in Chesterfield, MO?

For Lab Assistant jobs in Chesterfield, MO, the most frequently searched job titles are:

What job categories do people searching Lab Assistant jobs in Chesterfield, MO look for?

The top searched job categories for Lab Assistant jobs in Chesterfield, MO are:

What cities near Chesterfield, MO are hiring for Lab Assistant jobs?

Cities near Chesterfield, MO with the most Lab Assistant job openings:

Lab Assistant jobs near you
Infographic showing various Lab Assistant job openings in Chesterfield, MO as of August 2026, with employment types broken down into 2% As Needed, 73% Full Time, 22% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $41,681 per year, or $20 per hour.

Lab Assistant

Gateway Regional Medical Center

Granite City, IL • On-site

$17.50 - $26.24/hr

Other

Retirement

Re-posted 19 days ago

Gateway Regional Medical Center rating

4.4

Company rating: 4.4 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

1,034th of 1,064 rated hospitals

Job description

Every Specimen Tells a Story
Laboratory Assistant (PRN)
Gateway Regional Medical Center | Laboratory Services | Granite City, IL
Pay: $17.50 - $26.24 per hour
Position: PRN (As Needed)
Behind Every Diagnosis Is a Dedicated Laboratory Team.
As a Laboratory Assistant, you'll be an essential part of the diagnostic process by ensuring specimens are collected, processed, and delivered accurately so providers have the information they need to deliver exceptional patient care.
Why Choose Gateway?
  • Competitive Pay
  • 401(k) Retirement Plan
  • Employee Assistance Program
  • Career advancement opportunities
  • Collaborative laboratory team
  • Serve a community where you can truly make a lasting impact

What You'll Do
  • Collect and process patient specimens
  • Perform venipuncture and specimen handling
  • Prepare specimens for testing and transport
  • Enter patient information accurately into the laboratory information system (LIS)
  • Provide excellent customer service to patients and clinical staff
  • Maintain laboratory quality and safety standards

What We're Looking For
  • High School Diploma or GED required
  • Current BLS Certification required
  • Phlebotomy or laboratory experience preferred
  • Strong attention to detail
  • Excellent customer service skills

Why Your Work Matters
Accurate laboratory results begin with exceptional specimen collection. Your work directly supports physicians in diagnosing and treating patients, making a meaningful difference in the care they receive every day.
Apply today and become an important part of Gateway Regional Medical Center's Laboratory team.

What Gateway Regional Medical Center employees say

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