FREE ONLINE LESSONS
YOUR LEADING RESOURCE FOR
For over 25 years, Westgard QC has brought practical quality control tools, lessons and research to laboratory professionals worldwide — from your first Levey-Jennings chart to Sigma-based QC design.
01 · START HERE
Basic QC Practices lessons, Z-Stats and the essentials of control charts.
02 · DESIGN
QC Design, Sigma metric analysis, OPSpecs and Westgard Sigma Rules.
03 · REQUIREMENTS
CLIA Final Rule, consolidated performance specifications and MU goals.
LIVE & ON-DEMAND
The latest thinking from Westgard QC — watch a session, explore how labs around the world really run QC, or read the newest essay.
WEBINARS 4 SESSIONS
25 SEP 2026 · NOON EST
FREE CALCULATORS
Calculate control limits, Sigma metrics, QC frequency and method validation statistics — no install, no sign-up.
WORKSHOPS
Public and private workshops on QC design, Six Sigma and risk-based QC, tailored to your instruments and quality goals.
James O. Westgard
Founder
Sten Westgard
ABOUT WESTGARD QC
Westgard QC brings tools, technology and training to today's healthcare laboratories — QC lessons, case studies and essays from leaders in quality control, plus a reference source for quality requirements including CLIA.
230+papers on the Sigma-metric approach
400+authors in our Sigma bibliography
90+scientific journals represented
Ask about products, workshops, the Sigma Verification of Performance Program, or anything QC.
Call 203-980-1647
Email [email protected]
