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Diagnostic Lab Jobs in California (NOW HIRING)

FloatR

Phlebotomist

Mission Viejo, CA

$20 - $23/hr

With more than 18,000 healthcare professionals in their nationwide network, FloatRs diagnostic lab and other service provider customers post available shifts on the platform from which the ...

FloatR

Phlebotomist

San Jose, CA

$20 - $23/hr

With more than 18,000 healthcare professionals in their nationwide network, FloatRs diagnostic lab and other service provider customers post available shifts on the platform from which the ...

CommonSpirit Health

Medical Assistant

San Andreas, CA · On-site

$19 - $24.50/hr

Performs limited diagnostic lab tests, EKG's and stress tests * Administers injections and immunizations * Assist with quality improvement studies * Facilitates and documents the flow of patient ...

CommonSpirit Health

Medical Assistant

San Andreas, CA · On-site

$19 - $24.50/hr

Performs limited diagnostic lab tests, EKG's and stress tests * Administers injections and immunizations * Assist with quality improvement studies * Facilitates and documents the flow of patient ...

Animal Health International

Driver

Tulare, CA · On-site

$22.60/hr

Driver - Diagnostic Lab Position Summary The Driver with the Patterson Animal Health Diagnostic Lab serves as a key representative of the Company by ensuring the accurate and timely collection of ...

Pattersoncompanies

Driver

Tulare, CA · On-site

$22.60/hr

Driver - Diagnostic Lab Position Summary The Driver with the Patterson Animal Health Diagnostic Lab serves as a key representative of the Company by ensuring the accurate and timely collection of ...

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All JobsDiagnostic Lab JobsDiagnostic Lab Jobs in California

Diagnostic Lab information

See California salary details

$12

$22

$33

How much do diagnostic lab jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for diagnostic lab in California is $22.24, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $23.94 per hour, depending on experience, location, and employer.

What is a diagnostic lab?

Diagnostic labs are specialized facilities equipped to conduct medical tests on clinical specimens, such as blood, urine, or tissue samples, to help diagnose, monitor, or rule out diseases and health conditions. These laboratories use advanced technology and trained professionals to analyze samples and provide accurate results to healthcare providers. The information from diagnostic labs is essential for doctors to make informed decisions about patient care and treatment plans. Common tests performed in diagnostic labs include blood tests, urinalysis, microbiology cultures, and genetic testing.

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

To thrive as a Diagnostic Lab Technician, you need a solid background in biology, chemistry, and laboratory procedures, usually supported by an associate or bachelor’s degree in medical laboratory science or a related field. Familiarity with laboratory information systems (LIS), automated analyzers, and relevant certifications such as ASCP or AMT are typically required. Attention to detail, critical thinking, and effective communication are vital soft skills for accurate test processing and collaborating with healthcare teams. These skills and qualifications are essential for ensuring precise diagnostic results and maintaining high standards of patient care and safety.

What are some common challenges faced by professionals working in a diagnostic laboratory, and how can they be addressed?

Professionals in diagnostic labs often encounter challenges such as maintaining strict quality control, managing high sample volumes under tight deadlines, and staying updated with evolving technologies and testing protocols. Effective communication and teamwork are essential to ensure accuracy and timely reporting of results. Continuous education, process optimization, and adherence to safety protocols help address these challenges and maintain a productive, compliant work environment.

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

AspectDiagnostic LabMedical Laboratory Technician
CredentialsVaries; often includes certification or licensing depending on locationTypically requires an associate degree and certification (e.g., ASCP)
Work EnvironmentLaboratories, hospitals, clinics, diagnostic centersHospital labs, diagnostic labs, clinics
Job RoleOversees lab operations, manages testing processesPerforms laboratory tests, prepares samples, analyzes results

Diagnostic Lab roles often involve managing lab operations and overseeing testing processes, while Medical Laboratory Technicians focus on performing tests and analyzing samples. Both roles require relevant certifications and work in similar healthcare environments, but their responsibilities differ in scope and seniority.

What careers fall under diagnostic lab?

Careers in a diagnostic lab include roles such as medical laboratory technologists, clinical laboratory scientists, medical laboratory technicians, and pathologists. These professionals perform tests on biological samples to help diagnose diseases and often require specialized training, certifications, and familiarity with laboratory equipment and procedures.

What are popular job titles related to Diagnostic Lab jobs in California?

For Diagnostic Lab jobs in California, the most frequently searched job titles are:

What job categories do people searching Diagnostic Lab jobs in California look for?

The top searched job categories for Diagnostic Lab jobs in California are:

Diagnostic Lab jobs near you
Infographic showing various Diagnostic Lab job openings in California as of August 2026, with employment types broken down into 3% As Needed, 82% Full Time, 11% Part Time, and 4% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $46,250 per year, or $22.2 per hour.

Patient Collections Representative

Monarch Diagnostics

Irvine, CA • On-site

$26 - $30/hr

Full-time

Re-posted 7 days ago

Job description


The Patient Collections Representative is responsible for recovering outstanding patient balances. This role focuses on patient outreach, balance resolution, and prevention of revenue leakage while maintaining compliance with healthcare regulations and delivering a professional patient experience.

Key Responsibilities

PTP Collections Management

  • Identify accounts where payment was issued to the patient instead of the lab.
  • Review EOBs, remits, and payer correspondence to validate balances owed.
  • Initiate outbound calls, letters, and electronic communication to patients regarding repayment.

Patient Outreach & Communication

  • Explain insurance payments, patient responsibility, and repayment expectations clearly.
  • Handle sensitive financial discussions with professionalism and empathy.
  • Negotiate payment arrangements when appropriate.

Account Resolution

  • Secure payments via phone, mail, or online payment platforms.
  • Set up and monitor payment plans.
  • Escalate delinquent accounts according to internal collection workflows.

Collections Workflow

  • Generate and send PTP demand letters and follow-up notices.
  • Document all collection activities in the billing system.

Insurance & Billing Research

  • Work denied/misdirected claims tied to PTP balances.
  • Coordinate with payers to request reissues or recoupments when applicable.
  • Collaborate with internal billing and AR teams to resolve discrepancies.

Compliance & Reporting

  • Ensure adherence to HIPAA, FDCPA, and state collection regulations.
  • Maintain accurate account notes and audit trails.
  • Track recovery metrics, aging, and collection performance.

Required Qualifications

  • Associate’s or Bachelor’s preferred
  • 2+ years of medical billing or healthcare collections experience.
  • Paid-to-Patient or patient balance collections experience strongly preferred.
  • Knowledge of EOBs, remittance advice, and insurance payment processes.
  • Diagnostic lab billing experience (toxicology/clinical) preferred.

Skills & Competencies

  • Strong negotiation and conflict-resolution skills.
  • Professional, firm, and respectful communication style.
  • Ability to explain complex insurance concepts to patients.
  • Detail-oriented with strong account research abilities.
  • Comfortable handling high-volume outbound call activity.
  • Proficient in billing systems, clearinghouses, and Microsoft Office. (Advanced MD is a plus)

Compensation

Hourly Pay Range: $26.00 – $30.00 per hour

Pay is based on experience, diagnostic lab specialty knowledge, and recovery performance.

Bonus / Incentive.

  • Tiered commission after baseline recovery threshold.