Drug-free workplace
DOT & non-DOT pools, random selections, MIS-friendly documentation, BAT prep with auditable collector notes.
- Policy-aligned panel design
- FMCSA & PHMSA familiarity
- After-hours escalation paths
Columbia-area testing · Compliance · IdentoGO
PSC Diagnostics delivers dependable drug screening, occupational health diagnostics, and fingerprint-based compliance services—with clear chain-of-custody discipline and timelines you can plan around.
Our promise is straightforward:
Samples tracked. Results explained. Privacy honored.
Reliable testing is stewardship—protecting workplaces, classrooms, families, and the people who rely on clarity.
— PSC Diagnostics · Serving South Carolina statewide
Quality-assured workflows
Laboratory-aligned expertise
From periodic panels to urgent post-accident collections, PSC pairs transparent documentation with responsive coordination for HR leaders, safety officers, schools, and municipal partners.
Solutions
Drug-free workplace rules, OSHA-aligned screens, vaccination & biometric documentation, and discreet IdentoGO channeling—all coordinated by one PSC team. Explore each lane below or visit services for the full breakdown.
DOT & non-DOT pools, random selections, MIS-friendly documentation, BAT prep with auditable collector notes.
Respiratory, hearing, lift & DOT physical coordination—schedules aligned to roster coverage and turnaround goals.
Laboratory-aligned orders, occupational panels, and consolidated summary reporting for legal, benefits, and safety teams.
Rapid dispatch, sealed kits, witness-friendly notes, and rapid summary packets for supervisors and counsel.
High-quality capture, channeling updates, and courteous examinee flow for renewals that cannot afford a rescan.
Broadband drug-free campus rules, pupil-transport screenings, seasonal athletic windows, union negotiation-friendly reporting.
Fingerprinting
Badging and hazmat renewals slip when prints are rejected. PSC keeps capture standards high and channeling timelines transparent.
Quiet, dignified waiting
Workflow
Clear checkpoints for HR, supervisors, donors, and counsel.
Panels confirmed, couriers assigned, escalation paths shared.
Certified collectors, sealed kits, dignified waiting protocols.
Medical review where required; summary packets formatted for leadership.
Trend reviews tighten random pools, positivity watchouts, and staffing windows.
From teams we serve
HR and safety leads stay with PSC when documentation has to withstand audits, bargaining tables, and board reviews.
“Our post-accident window used to unravel on follow-up. PSC’s sealed-kit notes aligned with EMS and supervisors every time.”
Safety VP, Midlands manufacturer“We finally consolidated IdentoGO and panel scheduling into one call tree. Renewal season stopped eating my calendar.”
HR director, statewide agency“Same ownership ethos as PSC Homecare—you feel it in how they answer the phone Saturday night.”
Transport chief, Piedmont corridorFAQ
Need something else? Dial (803) 373-9022 or route through our contact form—responses within one business day.
Yes. PSC maps your written policy—including alternate testing authorities, BAT vs urine requirements, MIS reporting nuances, and state-specific quirks—before collectors visit the dock.
PSC maintains escalation paths for supervisory teams. Typical on-site ETA depends on courier coverage and geography; your account contact receives live updates until the collection seals.
Yes—that is the flagship workflow. Coordinators synchronize IdentoGO windows with panel schedules so employees do not zig-zag campuses.
Chain-of-custody packets, supervisor affidavits, collector credentials, BAT printouts, Lab/MRO summaries, and resubmission notes—exported in single PDF bundles when required.
PSC Diagnostics sits alongside Palmetto Southern Comfort Home Care, Positive Contact, and Transpo Penny inside the PSC family operated by Shawn & Sarah O’Long—Columbia natives focused on concierge-level service disciplines.
Join PSC
Collectors, coordinators, and client success partners—serve under the same leadership family that stewards Palmetto Southern Comfort Home Care.
View openingsColumbia HQ
Same stewardship DNA as PSC sister brands—timelines you can brief the C-suite on.