Cannabis Testing Labs in Oklahoma
19 licensed cannabis testing laboratories in Oklahoma. All labs listed are licensed by Oklahoma Medical Marijuana Authority (OMMA).
Data source: Oklahoma Medical Marijuana Authority
Oklahoma cannabis testing overview
Oklahoma has one of the most open medical cannabis markets in the US with over 7,300 business licenses. The low barrier to entry has created a highly competitive market. All cannabis products sold in Oklahoma must be tested for potency, contaminants, microbials, and (for concentrates) residual solvents by a lab licensed under Oklahoma Medical Marijuana Authority (OMMA). Look for ISO/IEC 17025 accreditation and currently valid state licensure when choosing a lab.
Scissortail Laboratory
Oklahoma City, Oklahoma
Oklahoma Compliance Testing Lab
Tulsa, Oklahoma
Rhino Labs
Norman, Oklahoma
Metis QA Laboratory
Oklahoma City, Oklahoma
Higher Testing
Roland, Oklahoma
Steep Hill Oklahoma
Sallisaw, Oklahoma
HighRes Labs
Edmond, Oklahoma
Baseline Laboratories
Choctaw, Oklahoma
ORACL (Oklahoma Analytical Chemistry)
Oklahoma City, Oklahoma
Quality Laboratories
Edmond, Oklahoma
Green Country Scientific
Tulsa, Oklahoma
Sunrise Labs
Edmond, Oklahoma
Gateway Labs
Tonkawa, Oklahoma
Abraxas Labs
Tulsa, Oklahoma
Cannabest Labs
ClosedOklahoma City, Oklahoma
Domain now redirects to an unrelated environmental testing company. OMMA license appears surrendered.
CanTek Labs
Oklahoma City, Oklahoma
Greenleaf Labs
Oklahoma, Oklahoma
Native Laboratories
Oklahoma, Oklahoma
Integrity Testing Labs
Oklahoma, Oklahoma
Frequently Asked Questions
How many cannabis testing labs are in Oklahoma?+
There are 19 licensed cannabis testing laboratories in Oklahoma listed on CannaBizGuide. All labs are regulated by Oklahoma Medical Marijuana Authority (OMMA) and data is sourced from Oklahoma Medical Marijuana Authority. The number of licensed labs can change as new facilities receive accreditation or existing labs lose their license.
What tests are required for cannabis products sold in Oklahoma?+
Oklahoma cannabis products must typically be tested for cannabinoid potency (THC, THC-A, CBD, CBD-A and often other cannabinoids), terpene profile (sometimes optional), pesticides, heavy metals, residual solvents (for concentrates), microbial contaminants, mycotoxins, and moisture content. Oklahoma Medical Marijuana Authority (OMMA) sets the specific analyte panels and action limits. Retest rules, homogeneity sampling, and label claim tolerances are also state-specific. See our testing requirements by state guide for the current OK panel.
How much does cannabis testing cost in Oklahoma?+
Full-panel compliance testing in Oklahoma typically ranges from a few hundred to over a thousand dollars per sample depending on matrix type (flower vs concentrate vs edible), panel scope, and turnaround. Bulk pricing and volume discounts are common for multi-state operators. R&D testing (not for compliance) is usually less expensive. Get quotes from multiple labs and confirm they can test ALL required matrices before committing.
What accreditations should a Oklahoma cannabis lab have?+
At minimum, look for ISO/IEC 17025 accreditation from a recognized body (A2LA, PJLA, ANAB, or similar). Oklahoma may also require specific state-level certification or licensing from Oklahoma Medical Marijuana Authority (OMMA). Some operators also look for ORELAP, EMLAP, or TNI certifications, particularly for specific analyte categories. Verify accreditation status directly with the accrediting body - do not rely on lab marketing alone.
What is the typical cannabis testing turnaround time in Oklahoma?+
Standard compliance testing turnaround is usually 5-10 business days from sample receipt to reported Certificate of Analysis (COA). Rush service (48-72 hours) is available at most labs for a premium. Complex matrices (distillates, edibles with unusual excipients) and retest scenarios often take longer. Plan testing windows into your release schedule, especially around regulated harvest or batch-release deadlines.
How do I read a cannabis Certificate of Analysis (COA)?+
A cannabis COA reports pass/fail for each required analyte category plus quantified values (potency % and contaminant levels). Key things to check: batch number, sample intake date, testing methodology references (LC-MS/MS, GC-MS, qPCR), and that the lab's name and accreditation number match a currently-licensed lab. Beware of COAs from unaccredited or out-of-state labs. See our How to Read a Cannabis COA guide for a detailed walkthrough.