PT and QC
Proficiency Testing (PT) and Quality Control (QC) products
Simplify Your Lab’s Path to Proficiency and Compliance
Ensure confident, compliant results with NSI Proficiency Testing (PT) and Quality Control (QC) products—designed to work seamlessly together so your lab can excel in every proficiency test.
Why Combine PT & QC?
- Build confidence by practicing with QC materials derived from prior PT samples, complete with a certificate of analysis.
- Improve accuracy and reliability before official testing begins.
- Streamline audits with compliant, traceable materials designed for regulatory success.
- Reduce cost and time with consistent, easy-to-implement testing workflows.
Our PT & QC solutions empower your laboratory to practice, refine protocols, and verify performance in advance—an “open-book” preparation approach proven to enhance overall testing precision and audit readiness.
Explore our full catalog of matched PT and QC materials designed to help your lab meet every challenge with confidence.
Download Our PT Brochure