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Concentra vs Quest Diagnostics (Employer Solutions)

A neutral, side-by-side comparison of Concentra and Quest Diagnostics (Employer Solutions) across all 24 occupational health capabilities we track — so you can see exactly where they overlap and where they differ.

Last reviewed: June 2026

National occupational health clinic network with an employer portal.

Built-in
16 / 24
Best for
Employers that prefer to outsource occupational health to a national clinic network rather than run their own software.

Lab-driven employer screening and occupational health testing.

Built-in
9 / 24
Best for
Employers that lead with lab-based screening and testing and want a national collection network.

Concentra vs Quest Diagnostics (Employer Solutions): the short version

Concentra is built for employers that prefer to outsource occupational health to a national clinic network rather than run their own software, while Quest Diagnostics (Employer Solutions) is built for employers that lead with lab-based screening and testing and want a national collection network. Of the 24 capabilities we track, Concentra offers 16 built-in and Quest Diagnostics (Employer Solutions) offers 9, with 9 that both cover. Concentra adds built-in occupational health records (ehr), medical surveillance programs, and exam & test management that Quest Diagnostics (Employer Solutions) doesn't match. The right pick comes down to which capabilities your workflow depends on — the full breakdown is below.

Concentra vs Quest Diagnostics (Employer Solutions) at a glance

ConcentraQuest Diagnostics (Employer Solutions)
Best forEmployers that prefer to outsource occupational health to a national clinic network rather than run their own software.Employers that lead with lab-based screening and testing and want a national collection network.
Built-in capabilities16 / 249 / 24
Deploymentcloud-basedcloud-based
Pricingquote-based pricingquote-based pricing
Common segmentsEmployers & on-site clinics, Enterprise EHS, Small & growing practicesEmployers & on-site clinics, Enterprise EHS, Small & growing practices

Both built-in

  • Immunization & titer tracking
  • Drug & alcohol testing
  • Appointment scheduling
  • Employer / client portal
  • Lab integration (HL7 / LIS)
  • Cloud-based SaaS
  • HIPAA & SOC 2 posture
  • Implementation & onboarding
  • Role-based access control

Concentra advantage

  • Occupational health records (EHR)
  • Medical surveillance programs
  • Exam & test management
  • Injury & case management
  • DOT / FMCSA compliance
  • Respirator clearance & fit testing
  • Telehealth visits

Quest Diagnostics (Employer Solutions) advantage

Nothing built-in only by Quest Diagnostics (Employer Solutions).

Concentra vs Quest Diagnostics (Employer Solutions), capability by capability

Built-inPartialAdd-onNot offeredUnconfirmed
CapabilityConcentra logoConcentraQuest Diagnostics (Employer Solutions) logoQuest Diagnostics (Employer Solutions)
Clinical & Medical Records
Occupational health records (EHR)Built-inPartial
Medical surveillance programsBuilt-inPartial
Exam & test managementBuilt-inPartial
Injury & case managementBuilt-inNot offered
Immunization & titer trackingBuilt-inBuilt-in
Compliance & Reporting
OSHA 300 / 300A / 301 recordkeepingPartialNot offered
DOT / FMCSA complianceBuilt-inPartial
Drug & alcohol testingBuilt-inBuilt-in
Respirator clearance & fit testingBuilt-inPartial
Regulatory & audit reportingPartialPartial
Operations & Workflow
Appointment schedulingBuilt-inBuilt-in
Clinic charting & encounter workflowNot offeredNot offered
Employer / client portalBuilt-inBuilt-in
Protocol & job-based rulesPartialPartial
Billing & invoicingNot offeredNot offered
Platform & Integrations
HRIS / HCM integrationPartialPartial
Lab integration (HL7 / LIS)Built-inBuilt-in
Open API & webhooksPartialPartial
Telehealth visitsBuilt-inNot offered
Mobile / employee appPartialPartial
Security & Support
Cloud-based SaaSBuilt-inBuilt-in
HIPAA & SOC 2 postureBuilt-inBuilt-in
Implementation & onboardingBuilt-inBuilt-in
Role-based access controlBuilt-inBuilt-in

How to read this comparison

Support levels reflect publicly available product information and are a neutral starting point for your own evaluation — not a definitive scorecard. Confirm specifics with each vendor before making a decision.

Frequently asked questions

What is the difference between Concentra and Quest Diagnostics (Employer Solutions)?

Concentra is positioned for employers that prefer to outsource occupational health to a national clinic network rather than run their own software while Quest Diagnostics (Employer Solutions) is positioned for employers that lead with lab-based screening and testing and want a national collection network. Across the 24 capabilities we track, Concentra offers 16 built-in and Quest Diagnostics (Employer Solutions) offers 9. Concentra stands out on Occupational health records (EHR), Medical surveillance programs, Exam & test management, Injury & case management.

Is Concentra or Quest Diagnostics (Employer Solutions) better for occupational health?

Neither is universally "better" — it depends on your operating model. Both are commonly considered for Employers & on-site clinics, Enterprise EHS, Small & growing practices teams. Concentra is best for employers that prefer to outsource occupational health to a national clinic network rather than run their own software; Quest Diagnostics (Employer Solutions) is best for employers that lead with lab-based screening and testing and want a national collection network. Compare them against the capabilities your workflow actually depends on rather than the raw feature count.

How much do Concentra and Quest Diagnostics (Employer Solutions) cost?

Concentra uses quote-based pricing and Quest Diagnostics (Employer Solutions) uses quote-based pricing. Most occupational health vendors quote based on locations, users, or employee volume, so request a tailored quote from each to compare like-for-like.

Who should consider Concentra?

Concentra — National occupational health clinic network with an employer portal.. Concentra is one of the largest occupational health providers in the U.S., delivering injury care, physicals, and testing through its own medical centers and telemedicine, with an employer portal for scheduling, results, and compliance tracking.

Who should consider Quest Diagnostics (Employer Solutions)?

Quest Diagnostics (Employer Solutions) — Lab-driven employer screening and occupational health testing.. Quest Diagnostics Employer Solutions supports employers with drug and alcohol testing, biometric screenings, vaccinations, and occupational health testing, backed by a national laboratory network and an employer portal for ordering and results.