SUPPORTING LABORATORIES IN ACHIEVING QUALITY AND CONFIDENCE
FIND THE RIGHT
PROFICIENCY TESTING PROGRAM
ILT – Interlaboratory Test is an ISO/IEC 17043-Accredited proficiency testing provider
offering interlaboratory comparison programs for laboratories worldwide.
MAIN AREAS
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Request a custom PT program.
Tell us what you want to evaluate, and we’ll design a custom proficiency testing scheme for your laboratory or group.
Accreditation
ISO/IEC 17043 Accredited
Proficiency Testing Provider
ILT’s accreditation confirms the competence of our proficiency testing activities within our accredited scope.
Quality Solutions
Proficiency testing designed around laboratory needs
At ILT, we provide proficiency testing programs, transparent methodologies and flexible options to support your quality, compliance and continuous improvement.
01
Proficiency testing by ILT
Proficiency testing programs designed to support laboratories in demonstrating competence and improving quality.
02
Built for Accreditation
Our PT programs are designed to support accreditation requirements and ISO/IEC 17043 best practices. Participants receive transparent, traceable evaluations with consensus statistics and z-score reporting to support audits and ongoing quality assurance.
03
Interlaboratory & Customized Options
Choose from regular PT rounds across multiple disciplines or request tailored interlaboratory comparisons for specific methods and testing needs. Custom PT studies can support method validation, bias assessment and measurement uncertainty evaluation.
Latest Insights
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OUR IMPACT
20+
Years of experience
4,000+
PT programs
35+
Testing areas
120+
Countries reached
