Customer Support Jobs at Quest Diagnostics with Visa Sponsorship
Customer Support roles at Quest Diagnostics sit at the intersection of patient-facing communication and clinical operations, covering everything from billing inquiries to test result support. Quest has a consistent record of sponsoring international candidates for these positions across multiple visa categories, making it a viable target for work-authorized job seekers.
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Job Description
Client Service Representative - Tech I - San Juan Capistrano, CA, Sunday to Thursday, 9: 00 AM to 5:30 PM
Receive, prioritize and resolve problems for customers and technical departments. Handle routine manual and interface problems and concerns.
Pay range: $21.38 - $26.04 / hour
Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
Benefits Information
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects – physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
- Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
- Best-in-class well-being programs
- Annual, no-cost health assessment program Blueprint for Wellness®
- healthyMINDS mental health program
- Vacation and Health/Flex Time
- 6 Holidays plus 1 "MyDay" off
- FinFit financial coaching and services
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Life and disability insurance, plus buy-up option
- Flexible Spending Accounts
- Annual incentive plans
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
Responsibilities
- Use proper telephone etiquette and all available resources to respond to incoming customer inquiries, requests, and complaints competently and courteously.
- Troubleshoot inquiries and follow up with customers on issues that cannot be resolved immediately.
- Follow through in a timely manner to resolve all issues and concerns.
- Complete all required documentation associated with contacts and resolution. Maintain complete and accurate records.
- Report laboratory results to clients and patients using established protocols.
- Research and resolve more complex customer issues, including those referred by CSR I, II and Assistants.
- Receive report for missing specimens and resolve the issues with proper documentation and communication with affected customers according to established policies. This includes missing specimens that have been accessioned, those not reported by customers and not accessioned and specimens identified on the interface pending lists.
- Assists technical departments as required for problem resolution.
- Provide education and guidance to clients about lab processes and the appropriate handling and shipping of samples.
- Perform appends, deletes, edits and demographic changes to ensure appropriate handling, testing and reporting of test results.
- Process confirmation and corrected reports as required.
- Process return specimens to clients as needed.
- Escalate issues as appropriate to keep supervisor informed of client concerns, problems, or deviations from established procedures.
- May provide coaching and/or training to less experienced staff.
- Provide suggestions for process improvements to maximize quality and efficiencies in the department.
- Perform other duties as assigned to meet the business needs or customer requirements. This is not an exhaustive list of all duties and responsibilities, but rather a general description of work performed by the position.
Qualifications
Required Work Experience:
Three (3) to five (5) years clinical laboratory or customer service experience.
Preferred Work Experience
Previous clinical laboratory and/or customer service in a call center environment preferred.
Physical And Mental Requirements
- Sitting for long periods of time.
- Repeating motions that may include the wrists, hands and/or fingers. (Typing)
Knowledge
- Proper telephone etiquette to handle customer inquiries
- Basic knowledge of operating office equipment
- Broad knowledge of specimen requirements for medical laboratory tests and the requirements for different methods of sample preservation.
- Good understanding of fundamental medical and laboratory terminology.
- Understand the importance of Quality Service and how it is measured
Skills
- Excellent interpersonal and communication skills (oral and written) necessary to effectively interact with customers and co-workers
- Proficiency in basic computer skills (Word, Excel)
- Ability to multi-task and work in a fast-paced environment
- Ability to work under pressure with a high degree of accuracy
- Strong organizational skills
- Ability to analyze and solve problems.
- Good listening skills
- Ability to maintain professional and tactful manner in stressful situations
- Exhibit comfortable interaction with technical staff and other departments
- Demonstrated ability to coach or train other reps
- Ability to deal with client information in a confidential manner
Education
High School Diploma or Equivalent (Required)
Languages
English (Required)
Licenses and Certifications
- Medical Lab Technician Certification (Preferred)
- Medical Technologist Certification (Preferred)
Qualified applicants with arrest or conviction records will be considered for Employment in accordance with the following laws if applicable, the Los Angeles County Fair Chance Ordinance for Employers, the Los Angeles' Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Quest believes that conviction records may have a direct, adverse, and negative relationship to the following job duties: accessing company property, information, assets, and products including sensitive information; accessing customer data or confidential information, and partnering and regularly working with or supervising other Quest employees and interacting with Quest customers.
About The Team
Quest Diagnostics honors our service members and encourages veterans to apply. While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

Job Description
Client Service Representative - Tech I - San Juan Capistrano, CA, Sunday to Thursday, 9: 00 AM to 5:30 PM
Receive, prioritize and resolve problems for customers and technical departments. Handle routine manual and interface problems and concerns.
Pay range: $21.38 - $26.04 / hour
Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
Benefits Information
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects – physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
- Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
- Best-in-class well-being programs
- Annual, no-cost health assessment program Blueprint for Wellness®
- healthyMINDS mental health program
- Vacation and Health/Flex Time
- 6 Holidays plus 1 "MyDay" off
- FinFit financial coaching and services
- 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
- Employee stock purchase plan
- Life and disability insurance, plus buy-up option
- Flexible Spending Accounts
- Annual incentive plans
- Matching gifts program
- Education assistance through MyQuest for Education
- Career advancement opportunities
- and so much more!
Responsibilities
- Use proper telephone etiquette and all available resources to respond to incoming customer inquiries, requests, and complaints competently and courteously.
- Troubleshoot inquiries and follow up with customers on issues that cannot be resolved immediately.
- Follow through in a timely manner to resolve all issues and concerns.
- Complete all required documentation associated with contacts and resolution. Maintain complete and accurate records.
- Report laboratory results to clients and patients using established protocols.
- Research and resolve more complex customer issues, including those referred by CSR I, II and Assistants.
- Receive report for missing specimens and resolve the issues with proper documentation and communication with affected customers according to established policies. This includes missing specimens that have been accessioned, those not reported by customers and not accessioned and specimens identified on the interface pending lists.
- Assists technical departments as required for problem resolution.
- Provide education and guidance to clients about lab processes and the appropriate handling and shipping of samples.
- Perform appends, deletes, edits and demographic changes to ensure appropriate handling, testing and reporting of test results.
- Process confirmation and corrected reports as required.
- Process return specimens to clients as needed.
- Escalate issues as appropriate to keep supervisor informed of client concerns, problems, or deviations from established procedures.
- May provide coaching and/or training to less experienced staff.
- Provide suggestions for process improvements to maximize quality and efficiencies in the department.
- Perform other duties as assigned to meet the business needs or customer requirements. This is not an exhaustive list of all duties and responsibilities, but rather a general description of work performed by the position.
Qualifications
Required Work Experience:
Three (3) to five (5) years clinical laboratory or customer service experience.
Preferred Work Experience
Previous clinical laboratory and/or customer service in a call center environment preferred.
Physical And Mental Requirements
- Sitting for long periods of time.
- Repeating motions that may include the wrists, hands and/or fingers. (Typing)
Knowledge
- Proper telephone etiquette to handle customer inquiries
- Basic knowledge of operating office equipment
- Broad knowledge of specimen requirements for medical laboratory tests and the requirements for different methods of sample preservation.
- Good understanding of fundamental medical and laboratory terminology.
- Understand the importance of Quality Service and how it is measured
Skills
- Excellent interpersonal and communication skills (oral and written) necessary to effectively interact with customers and co-workers
- Proficiency in basic computer skills (Word, Excel)
- Ability to multi-task and work in a fast-paced environment
- Ability to work under pressure with a high degree of accuracy
- Strong organizational skills
- Ability to analyze and solve problems.
- Good listening skills
- Ability to maintain professional and tactful manner in stressful situations
- Exhibit comfortable interaction with technical staff and other departments
- Demonstrated ability to coach or train other reps
- Ability to deal with client information in a confidential manner
Education
High School Diploma or Equivalent (Required)
Languages
English (Required)
Licenses and Certifications
- Medical Lab Technician Certification (Preferred)
- Medical Technologist Certification (Preferred)
Qualified applicants with arrest or conviction records will be considered for Employment in accordance with the following laws if applicable, the Los Angeles County Fair Chance Ordinance for Employers, the Los Angeles' Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. Quest believes that conviction records may have a direct, adverse, and negative relationship to the following job duties: accessing company property, information, assets, and products including sensitive information; accessing customer data or confidential information, and partnering and regularly working with or supervising other Quest employees and interacting with Quest customers.
About The Team
Quest Diagnostics honors our service members and encourages veterans to apply. While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.
See all 55+ Customer Support at Quest Diagnostics jobs
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Customer Support at Quest Diagnostics roles.
Get Access To All JobsTips for Finding Customer Support Jobs at Quest Diagnostics Jobs
Align your credentials with diagnostic industry expectations
Quest's Customer Support hiring favors candidates with healthcare administration, medical billing, or clinical customer service backgrounds. Before applying, gather documentation that shows experience with healthcare systems, HIPAA-regulated environments, or insurance verification workflows.
Target roles that match your visa category
Quest sponsors H-1B, TN, F-1 OPT, and F-1 CPT for Customer Support positions, but not every role maps cleanly to every visa type. Confirm the job description specifies a degree requirement in a relevant field, since H-1B specialty occupation status depends on it.
Find open sponsorship-eligible roles on Migrate Mate
Browse Customer Support openings at Quest Diagnostics on Migrate Mate, which filters specifically for visa-sponsoring employers. You can confirm which positions are actively open before investing time in tailoring your application.
Time your OPT application to Quest's hiring cycle
If you're on F-1 OPT, USCIS recommends filing at least 90 days before your program end date. Quest's Customer Support roles often open on a rolling basis, so applying three to four months before your authorization window closes gives you realistic runway.
Ask HR directly about LCA filing timelines
Before signing an offer, ask Quest's HR team when they plan to file the Labor Condition Application with the DOL. For H-1B transfers or cap-exempt filings, the LCA must be certified before USCIS can process your petition, and delays here can affect your start date.
Prepare for E-Verify onboarding on day one
Quest participates in E-Verify, so your work authorization documents need to be current and consistent with your visa status at hire. Bring your most recent I-94 record and any applicable EAD or visa stamp to your onboarding appointment to avoid delays.
Customer Support at Quest Diagnostics jobs are hiring across the US. Find yours.
Find Customer Support at Quest Diagnostics JobsFrequently Asked Questions
Does Quest Diagnostics sponsor H-1B visas for Customer Supports?
Yes, Quest Diagnostics sponsors H-1B visas for qualifying Customer Support positions. Eligibility depends on the specific role meeting USCIS specialty occupation standards, which generally requires a bachelor's degree or higher in a relevant field such as healthcare administration or a related discipline. Not every Customer Support title will qualify, so reviewing the job description's education requirements before applying is essential.
Which visa types does Quest Diagnostics commonly sponsor for Customer Support roles?
Quest Diagnostics sponsors H-1B, EB-2, EB-3, F-1 OPT, F-1 CPT, and TN visas for Customer Support roles. F-1 OPT and CPT are common entry points for recent graduates, while H-1B and the EB categories serve candidates seeking longer-term or permanent work authorization. TN sponsorship is available for Canadian and Mexican nationals in qualifying professional categories.
What qualifications does Quest Diagnostics expect for Customer Support positions?
Quest typically looks for candidates with experience in healthcare customer service, medical billing, or patient account management. Familiarity with insurance verification, electronic health record systems, and HIPAA compliance procedures strengthens an application significantly. For visa-sponsored roles, a relevant bachelor's degree is generally required to satisfy H-1B specialty occupation criteria, though some positions may accept equivalent work experience under applicable visa rules.
How do I apply for Customer Support jobs at Quest Diagnostics?
You can find and apply for Customer Support roles at Quest Diagnostics directly through Migrate Mate, which surfaces sponsorship-eligible openings and lets you filter by visa type. Applications go through Quest's career portal, where you'll submit a resume and complete a profile. Tailoring your application to highlight healthcare customer service experience and any familiarity with diagnostic or laboratory services improves your chances considerably.
How do I plan my timeline when pursuing H-1B sponsorship at Quest Diagnostics?
For cap-subject H-1B sponsorship, Quest would need to file your petition during the annual USCIS registration window in March, with employment beginning no earlier than October 1. If you're transferring from another H-1B employer, the timeline is more flexible. Either way, raise sponsorship early in the interview process so Quest's legal team can prepare the Labor Condition Application with the DOL before your petition is filed.
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