15% Off

Get 15% off your first cannabis, hemp or CBD order.

Your Missouri Cannabis
Testing Partner

We Are Missouri's Only Physician-Lead Cannabis Testing Facility

cbd oil testing cannabis hemp
cannabis marijuana testing technology
cannabis hemp cbd testing
cannabis hemp cbd testing medicinal genomics logo
cannabis hemp cbd testing
cbd testing cannabis medical marijuana
cannabis hemp cbd testing

Why Choose
Green Precision

  • Missouri’s only M.D. owned cannabis testing facility
  • 20 years of combined medical diagnostic testing experience
  • Free statewide sample pickup* (secure, safe & compliant)
  • Rapid & precise testing with value-added feedback & analysis
  • Electronic delivery of your COA (Certificate of Analysis)
  • Exceptional customer service with the highest level of integrity
cannabis testing hemp cbd oil missouri
cannabis testing missouri hemp cbd oil

We Are

GPA Labs is a licensed Missouri Medical Marijuana Testing Facility located in Kansas City. With over 20 years of medical diagnostic laboratory testing expertise, CEO Paul Joslin, MD and Director Josh Kollmeyer, MLS (ASCP) have operated a medical diagnostic laboratory, collaborating to meet stringent CMS regulatory standards, master QA, QC and proficiency testing protocols, integrate results reporting with multiple user interfaces, streamline workflow and reduce turnaround time for unparalleled customer satisfaction-providing over a million accurate and reliable test results per year for our physician customers. Now that experience will be put to work ensuring the safety and quality of Missouri medical cannabis flower, manufactured and infused medical cannabis products, and hemp- derived CBD products for cultivators, manufacturers, dispensaries, and patients in Missouri.

Take a Look Inside Our
State-of-the Art Testing Facility

Check out the 360 Virtual Tour

Testing Packages for
Cannabis, Hemp and CBD

GPA Labs will ensure that the products you grow, manufacture and distribute are safe and effective.

cannabis hemp cbd testing
cannabis hemp cbd testing

Cannabis Testing

cannabis hemp cbd testing
cannabis hemp cbd testing

Hemp & CBD Testing

cannabis hemp cbd testing
cannabis hemp cbd testing

Other Testing Services

R&D Packages for
Cannabis, Hemp and CBD

Several Testing Packages to Suite Your Needs






A La Carte Testing

Individual Cannabis Testing Modules Also Available

cannabis hemp cbd testing

Working with Green Precision Analytics is So Easy!

We've simplied the MISSOURI cannabis testing process and made it easy & stress-free.

cannabis hemp cbd testing


Contact us now

Call us now or submit our online form. We will reply ASAP to schedule customized testing for your needs.


Complete testing

We will arrange for professional & secure sample pickup and complete all testing that meets or exceeds standards.


Get your test results!

You’ll have peace of mind knowing your cannabis product has been tested by professionals.