USP Proficiency testing FAQs
What is Proficiency Testing?
The evaluation of participant performance against pre-established criteria using interlaboratory comparisons (defined in ISO/IEC 17043:2010 clause 3.7). Proficiency testing uses schemes, also referred to as studies, to evaluate an analyst’s competency using specific materials and methods. A scheme is the combination of test item and method evaluated at a specific time.
What is the USP Proficiency Testing Program?
The UPS Proficiency Testing Program is a strategic alliance between USP and NSI Lab Solutions to develop and market proficiency test schemes. NSI is a highly reputable player in the proficiency testing market with multiple accreditations: ISO/IEC 17043, ISO 17034, ISO/IEC 17025, ISO 9001.
How are schemes organized?
The day-to-day operation of each scheme is the responsibility of NSI Lab Solutions group. Individual schemes are managed by a team of Scheme Operations Managers, to cover reporting, customer service and technical functions. For some schemes, external advisors may also be used to provide the full range of relevant knowledge and expertise needed to operate the scheme effectively. A small number of schemes are run in collaboration with other organizations.
Which schemes are now available?
We are initially launching with 23 pharmaceutical schemes and will be adding more pharmaceutical schemes towards the end of 2022.
How are test materials prepared?
Materials are prepared according to the requirements of ISO/ IEC 17043.
Can I purchase a scheme after a round has started?
Yes, a participant may purchase a scheme up to two weeks prior to study close.
Starting in January 2022: A scheme can be purchased as a PT Express item between rounds based on availability. Scheme that are not offered during certain rounds may also be purchased as PT Express items based on availability.
How often can I purchase USP PT schemes?
A participant may order and pay for as many schemes that meet their internal or external requirements.