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Quest Diagnostics (Employer Solutions) vs UL SYSTOC
A neutral, side-by-side comparison of Quest Diagnostics (Employer Solutions) and UL SYSTOC across all 24 occupational health capabilities we track — so you can see exactly where they overlap and where they differ.
Last reviewed: June 2026
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.
Part of UL Solutions
Long-standing occupational medicine practice management.
- Built-in
- 17 / 24
- Best for
- Occupational medicine clinics that value a proven, workflow-focused incumbent.
Quest Diagnostics (Employer Solutions) vs UL SYSTOC: the short version
Quest Diagnostics (Employer Solutions) is built for employers that lead with lab-based screening and testing and want a national collection network, while UL SYSTOC is built for occupational medicine clinics that value a proven, workflow-focused incumbent. Of the 24 capabilities we track, Quest Diagnostics (Employer Solutions) offers 9 built-in and UL SYSTOC offers 17, with 6 that both cover. Quest Diagnostics (Employer Solutions) pulls ahead on immunization & titer tracking, employer / client portal, and cloud-based saas, while UL SYSTOC leads on occupational health records (ehr), medical surveillance programs, and exam & test management. On delivery, Quest Diagnostics (Employer Solutions) is cloud-based and UL SYSTOC is cloud-based or on-premise. The right pick comes down to which capabilities your workflow depends on — the full breakdown is below.
Quest Diagnostics (Employer Solutions) vs UL SYSTOC at a glance
| Quest Diagnostics (Employer Solutions) | UL SYSTOC | |
|---|---|---|
| Best for | Employers that lead with lab-based screening and testing and want a national collection network. | Occupational medicine clinics that value a proven, workflow-focused incumbent. |
| Built-in capabilities | 9 / 24 | 17 / 24 |
| Deployment | cloud-based | cloud-based or on-premise |
| Pricing | quote-based pricing | quote-based pricing |
| Common segments | Employers & on-site clinics, Enterprise EHS, Small & growing practices | Occ health & urgent care clinics, Multi-site provider groups |
Both built-in
- Drug & alcohol testing
- Appointment scheduling
- Lab integration (HL7 / LIS)
- HIPAA & SOC 2 posture
- Implementation & onboarding
- Role-based access control
Quest Diagnostics (Employer Solutions) advantage
- Immunization & titer tracking
- Employer / client portal
- Cloud-based SaaS
UL SYSTOC advantage
- Occupational health records (EHR)
- Medical surveillance programs
- Exam & test management
- Injury & case management
- OSHA 300 / 300A / 301 recordkeeping
- DOT / FMCSA compliance
- Respirator clearance & fit testing
- Regulatory & audit reporting
- Clinic charting & encounter workflow
- Protocol & job-based rules
- Billing & invoicing
Quest Diagnostics (Employer Solutions) vs UL SYSTOC, capability by capability
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 Quest Diagnostics (Employer Solutions) and UL SYSTOC?
Quest Diagnostics (Employer Solutions) is positioned for employers that lead with lab-based screening and testing and want a national collection network while UL SYSTOC is positioned for occupational medicine clinics that value a proven, workflow-focused incumbent. Across the 24 capabilities we track, Quest Diagnostics (Employer Solutions) offers 9 built-in and UL SYSTOC offers 17. Quest Diagnostics (Employer Solutions) stands out on Immunization & titer tracking, Employer / client portal, Cloud-based SaaS. UL SYSTOC stands out on Occupational health records (EHR), Medical surveillance programs, Exam & test management, Injury & case management.
Is Quest Diagnostics (Employer Solutions) or UL SYSTOC better for occupational health?
Neither is universally "better" — it depends on your operating model. Quest Diagnostics (Employer Solutions) is best for employers that lead with lab-based screening and testing and want a national collection network; UL SYSTOC is best for occupational medicine clinics that value a proven, workflow-focused incumbent. Compare them against the capabilities your workflow actually depends on rather than the raw feature count.
How much do Quest Diagnostics (Employer Solutions) and UL SYSTOC cost?
Quest Diagnostics (Employer Solutions) uses quote-based pricing and UL SYSTOC 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 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.
Who should consider UL SYSTOC?
UL SYSTOC — Long-standing occupational medicine practice management.. SYSTOC (offered through UL Solutions) is a long-established occupational medicine practice management and clinical system used by clinics and provider groups for visit workflow, protocols, and billing.