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Creative Testing Solutions

Summary Under direct supervision, a Clinical Laboratory Assistant (CLA) performs a variety of ... Duties and responsibilities regularly performed by and assigned to CLA levels I, II, III, and IV: * ...

Tenet Health

Lab Assistant II

San Antonio, TX

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned, labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Lab Assistant II

San Antonio, TX · On-site

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned; labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Lab Assistant II

San Antonio, TX · On-site

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned, labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Lab Assistant II

San Antonio, TX

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned; labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Lab Assistant II

San Antonio, TX · On-site

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned; labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Laboratory Assistant II

San Antonio, TX · On-site

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned, labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

Tenet Health

Lab Assistant II

San Antonio, TX · On-site

$18 - $23.75/hr

The CLA II performs venipuncture - capillary puncture as assigned; labels tubes and specimen containers, specimen receipt and distribution of laboratory specimens. The lab assistant II - phlebotomist ...

UVA Health

Clinical Lab Assistant III

Haymarket, VA · On-site

Performs duties above and beyond CLA II.Actively participate in clinical testing continuous performance improvement activitiesParticipate in safety rounding and reporting within the clinical ...

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How much do cla ii jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for cla ii in the United States is $21.35, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $23.56 per hour, depending on experience, location, and employer.

What is a CLA II?

A CLA II, or Clinical Laboratory Assistant II, is a healthcare professional who supports laboratory operations by preparing specimens, performing basic laboratory tests, and ensuring accurate documentation. They are typically responsible for specimen accessioning, data entry, and maintaining laboratory equipment. A CLA II may also assist medical technologists and laboratory scientists by handling samples, managing inventory, and following strict protocols to ensure patient safety. This role requires attention to detail, knowledge of laboratory procedures, and effective communication skills.

What are the typical responsibilities and workflow of a CLA II (Clinical Laboratory Assistant II) in a hospital setting?

As a CLA II in a hospital, you are responsible for a combination of specimen processing, phlebotomy, and laboratory support tasks. Your daily workflow often includes collecting blood and other specimens from patients, accurately labeling them, performing data entry, and preparing samples for analysis. You’ll work closely with laboratory technologists, nurses, and physicians to ensure timely and accurate specimen handling. The role can be fast-paced, especially during peak hours, and requires strong attention to detail and effective communication skills to maintain patient safety and laboratory quality standards.

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

To thrive as a Clinical Laboratory Assistant II (CLA II), you need a solid understanding of laboratory procedures, specimen processing, and relevant science coursework, often supported by a high school diploma and on-the-job training or certification. Familiarity with laboratory information systems (LIS), automated analyzers, and quality control protocols is typically required. Attention to detail, organization, and effective communication are vital soft skills for success in this role. These abilities ensure accurate sample handling, efficient workflow, and reliable support for laboratory operations.

What is the difference between Cla II vs Administrative Assistant?

AspectCla IIAdministrative Assistant
Required CredentialsHigh school diploma or equivalent; some roles may require certificationsHigh school diploma or equivalent; optional certifications
Work EnvironmentOffice settings, government agencies, or corporate environmentsOffice settings, corporate, government, or nonprofit organizations
Employer & Industry UsagePublic sector, government agencies, large corporationsBusinesses, government offices, nonprofits
Common Search & ComparisonRoles involving clerical, administrative, or support tasksClerical, scheduling, communication support

The Cla II position typically involves clerical and administrative support within government or corporate settings, often requiring specific certifications or experience. An Administrative Assistant also performs similar tasks but may have a broader range of responsibilities and work in various industries. Both roles focus on supporting organizational operations, but Cla II roles are more common in public sector environments.

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Cla Ii jobs near you
Infographic showing various Cla Ii job openings in the United States as of August 2026, with employment types broken down into 89% Full Time, 10% Part Time, and 1% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $44,398 per year, or $21.3 per hour.

Clinical Laboratory Associate II

Karius

Redwood City, CA • On-site

Full-time

Re-posted 8 hours ago

Job description

About Karius
Karius is a life science, venture-backed clinical metagenomics company, focused on elevating patient care through microbial insights. We are committed to advancing diagnostic science and technology to optimize the diagnosis and treatment of infectious diseases. Through the use of genomics and AI, we are driven to improve the diagnostic landscape for infectious diseases. Karius delivers unprecedented diagnostic insight detecting microbial cell-free DNA circulating in the body to assist physicians to make rapid treatment decisions.
 
Position Summary
The Clinical Laboratory Associate II (CLA II) is an enthusiastic, self-motivated individual with great communication skills.  Along with the duties described below, this individual performs sample receiving and accessioning, performs routine preventive equipment and instrument maintenance, and assists in the performance of high complexity laboratory testing on patient specimens under the direct supervision of a CLS. The CLA II must demonstrate a high level of individual responsibility and accountability and possess the ability to perform to the requirements listed below. The CLA II must be comfortable in a rapidly evolving Biotech start-up environment. 

Shift: Monday to Friday, 7:00 am to 3:30 pm

Why Should You Join Us?
Karius aims to conquer infectious diseases through innovations around genomic sequencing and machine learning. The company's platform is already delivering unprecedented insights into the microbial landscape, providing clinicians with a comprehensive test capable of identifying more than a thousand pathogens directly from blood, and helping industry accelerate the development of therapeutic solutions. The products Karius offers today are some of the most advanced solutions available to physicians who aim to deliver better care to many otherwise ineffectively treated patients. Our tests are the result of some incredible work done by our scientists, statisticians, engineers, and physicians, all driven by the same mission. You, as part of the Karius team, will be able to see how directly your work has a life-changing impact on people, and at scale.
 
Reports to: Sr. Manager, Clinical Laboratory Operations
 
Location: Redwood City, CA
 
Primary Responsibilities
  • Under supervision of licensed personnel, perform high complexity testing for commercial samples in accordance with applicable regulatory requirements and laboratory SOPs.
  • For non-commercial or clinical study samples, perform routine molecular test procedures including specimen processing, nucleic acid extraction, quantitative analysis, PCR, library construction, sequencing, and data analysis.
  • Receive, unbox, and accession inbound biological samples per relevant SOPs; collaborate with the customer support team to obtain information necessary to complete the accessioning process.
  • Prepare samples for processing in accordance with good laboratory practices and established contamination control procedures.
  • Operate high-throughput integrated automation workstations and utilize laboratory information management systems (LIMS) and other infrastructure software in the performance of job duties
  • Perform and document routine preventive maintenance for laboratory equipment and instruments.
  • Support regulatory compliance through adherence to laboratory policies and procedures, and accurately document work performed.
  • Flag SOPs for update; author or revise laboratory SOPs as directed.
  • Identify, escalate, and support process improvement initiatives as appropriate.
  • Provide training and support to junior or new laboratory staff as assigned.
  • Perform all delegated activities as assigned in support of established timelines and quality standards.
  • Perform additional duties as assigned by supervisory or laboratory leadership personnel
  • In addition to those listed above, perform all duties and responsibilities of the CLA I position.
What's Fun About the Job?
Karius is operating at the edge of what is now known to be possible in diagnostics. With that, comes a wave of new and incredible challenges and opportunities. To deliver on that value, you will be tapping into some of the most advanced technologies, architecting and innovating where the current solutions simply don't suffice. You will get to see how much your work really matters.
 
Travel: No travel required.
 
Physical Requirements
  • Hours and days may vary depending on operational needs
  • Standing or sitting for long periods of time may be necessary.
  • May be exposed to hazardous materials, blood specimens and instruments with moving parts, heating or freezing elements, and high speed centrifugation 
  • Manual dexterity as repetitive manual pipetting may be necessary
  • Some lifting (up to 25 pounds) may be necessary
 
Position Requirements
  • Bachelor's degree in Biological science or similar field required. 
  • 3+ (three) years of clinical laboratory experience, with 2+ (two) years of pertinent industry experience and increasing levels of responsibility within a molecular biology laboratory.
  • Demonstrated ability to manage projects independently, or with minimal supervision.
  • Prior experience with Next-Generation Sequencing (NGS) preferred.
  • Knowledge of aseptic techniques used in a microbiology laboratory is highly preferred.
 
Personal Qualifications
  • Demonstrates personal accountability of assigned work and processes, consistently delivering results with quality, consistency, and attention to detail.
  • Recognizes, communicates, and escalates issues, risks, or deviations in a timely and transparent manner.   
  • Adapts effectively to changing priorities and operational demands in a dynamic laboratory environment.
  • Demonstrates awareness of how individual responsibilities impact adjacent workflows and overall laboratory operations.
  • Demonstrates curiosity and learning agility, seeking to understand broader laboratory processes beyond immediate tasks and remaining open to feedback, coaching, and continuous skill development.
  • Maintains a collaborative, respectful, and team-oriented approach to daily operations.

Disclaimer
The above job description is intended to describe the general nature and level of work being performed by individuals assigned to this position. It is not intended to be an exhaustive list of all duties, responsibilities, and skills required. Responsibilities and duties may change or be adjusted to meet the needs of the company, and additional duties may be assigned as necessary. The job description is subject to change at any time at the discretion of Karius.
 
At Karius, we value a diverse and inclusive workplace and provide equal employment opportunities for all applicants and employees and are committed to honor and invest in the full diversity of people, in our hiring, recruiting and development of employees across the Company.  All qualified applicants for employment are encouraged to apply and will be considered without regard to an individual's race, color, sex, gender identity and gender expression (including transgender individuals who are transitioning, have transitioned, or are perceived to be transitioning to the gender with which they identify), religion, age, national origin or ancestry, citizenship, physical or mental disability, medical condition, family care status, marital status, domestic partner status, sexual orientation, genetic information, military or veteran status, or any other basis protected by federal, state or local laws. If you are unable to submit your application due to a disability, please contact us at [email protected] and we will accommodate qualified individuals with disabilities.
$27.64 - $32.25 an hour
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