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How much do per diem cls jobs pay per year?

As of Aug 12, 2026, the average yearly pay for per diem cls in the United States is $94,420.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,000.00 and $119,000.00 per year, depending on experience, location, and employer.

What is a per diem CLS?

A Per Diem CLS (Clinical Laboratory Scientist) is a laboratory professional who works on an as-needed basis, rather than having a set full-time or part-time schedule. Per diem CLSs are often called in to cover staff shortages, busy periods, or specific shifts in hospitals and clinics. They perform the same laboratory tests and analyses as regular CLSs, ensuring accurate and timely results to assist in patient care. This flexible role allows both the employer and the employee to adapt to changing workload demands.

What is the difference between Per Diem Cls vs Per Diem RN?

AspectPer Diem ClsPer Diem RN
CredentialsCertified Nursing Assistant (CNA) or similarRegistered Nurse (RN) license
Work EnvironmentLong-term care, nursing homes, hospitalsHospitals, clinics, healthcare facilities
Employer UsageHospitals, nursing homes, home health agenciesHospitals, clinics, healthcare organizations

Per Diem Cls (Certified Nursing Assistants) and Per Diem RNs both work on a per diem basis, but RNs typically have more advanced credentials and handle more complex patient care. While both roles are used in similar healthcare settings, RNs often work in more specialized or critical areas, reflecting their higher level of training.

What are some common challenges faced by per diem CLS professionals, and how can they prepare for them?

Per Diem Clinical Laboratory Scientists (CLS) often work in multiple facilities or cover shifts on short notice, which means they must quickly adapt to different laboratory protocols, instrumentation, and team dynamics. A common challenge is staying updated with varying procedures and maintaining familiarity with diverse lab information systems. To prepare, it’s beneficial to review each facility’s standard operating procedures in advance and maintain strong communication with permanent staff. Flexibility, attention to detail, and a proactive approach to learning are key qualities for success in this dynamic role.

What are the key skills and qualifications needed to thrive as a per diem CLS?

To thrive as a Per Diem CLS, you need a bachelor's degree in medical technology or a related field, a valid CLS license, and strong analytical laboratory skills. Familiarity with laboratory information systems (LIS), automated analyzers, and quality control protocols is typically required. Attention to detail, adaptability, and effective communication are essential soft skills for working independently and efficiently in varying clinical settings. These competencies ensure accurate test results, patient safety, and smooth integration into different laboratory teams as needed.
More about Per Diem Cls jobs
What cities are hiring for Per Diem Cls jobs? Cities with the most Per Diem Cls job openings:
What are the most commonly searched types of Cls jobs? The most popular types of Cls jobs are:
What states have the most Per Diem Cls jobs? States with the most job openings for Per Diem Cls jobs include:
What job categories do people searching Per Diem Cls jobs look for? The top searched job categories for Per Diem Cls jobs are:
Per Diem Cls jobs near you
Infographic showing various Per Diem Cls job openings in the United States as of August 2026, with employment types broken down into 61% As Needed, 8% Full Time, 23% Part Time, and 8% Contract. Highlights an 100% In-person job distribution, with an average salary of $94,420 per year, or $45.4 per hour.

Clinical Lab Scientist Per Diem

memorial care

Fountain Valley, CA

$60/hr

Per diem

Medical

Re-posted 3 days ago

MemorialCare rating

8.2

Company rating: 8.2 out of 10

Based on 46 frontline employees who took The Breakroom Quiz

55th of 887 rated healthcare providers

Job description

Title: Clinical Lab Scientist Per Diem

Location: Fountain Valley

Department: Clinical Lab - NonPatient

Status: Per Diem

Shift: Nights 

Pay Range*: $60.00/hr.

**Every other weekend (Friday and Saturday) rotations. CLS generalist to rotate in all areas of the laboratory (no Blood Bank).

MemorialCare is a nonprofit integrated health system that includes four leading hospitals, award-winning medical groups - consisting of over 200 sites of care, and more than 2,000 physicians throughout Orange and Los Angeles Counties. We are committed to increasing access to patient-centric, affordable, and high-quality healthcare; your personal contributions are integral to MemorialCare's recognition as a market leader and innovator in value-based and other care models.

Across our family of medical centers, we support each one of our bright, talented employees in reaching the highest levels of professional development, contribution, collaboration, and accountability. Whatever your role and whatever expertise you bring, we are dedicated to helping you achieve your full potential in an environment of respect, innovation, and teamwork.

Position Summary

The Clinical Laboratory Scientist will (CLS) will perform laboratory duties as scheduled; produce accurate and timely laboratory results in accordance with Orange Coast Memorial Medical Center Laboratory Services department standards and procedures. The Clinical Laboratory Scientist must be able to assess and interpret data about the patient's status in order to identify each patient's age specific needs and provide the care needed for that patient population.

Essential Functions and Responsibilities of the Job

1. Perform pre-analysis, analysis and post-analysis of laboratory tests according to the core lab department's protocols and procedures.

2. Follow laboratory protocol to ensure proper identification of patients and specimens.

3. Evaluate tests results, test processes, quality control and assurance requirements where applicable.

4. Ability to meet department scheduling and attendance requirements.

5. Require effective communication, verbally, in writing and through other means.

6. Consistently apply infection control policies and procedures.

7. Attend and actively participate in department specific education, training, in-services, process improvement initiatives and staff meetings.

8. Participates in performance improvement projects in the laboratory.

9. Ensures equipment and safety devices are used as intended and designed.

10. Ensures compliance at all times with hospital and laboratory policies and procedures.

11. Perform data management and documentation activities.

12. Perform other reasonably related duties as assigned.

13. Ability to be at work and be on time

14. Ability to follow company policies, procedures and directives

15. Ability to interact in a positive and constructive manner

16. Ability to prioritize and multitask

*Placement in the pay range is based on multiple factors including, but not limited to, relevant years of experience and qualifications. In addition to base pay, there may be additional compensation available for this role, including but not limited to, shift differentials, extra shift incentives, and bonus opportunities. Health and wellness is our passion at MemorialCare-that includes taking good care of employees and their dependents. We offer high quality health insurance plan options, so you can select the best choice for your family. And there's more...Check out our MemorialCare Benefits for more information about our Benefits and Rewards.

Qualifications/Work Experience:

  • Minimum 1 year of experience in general laboratory

  • Knowledge of current information system preferred.

Education/Licensure/Certification:

  • Bachelor's degree in a science discipline preferred.

  • Currently licensed as a Clinical Laboratory Scientist by the state of California.

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