Maryland Cannabis Testing Requirements

Comprehensive testing requirements and compliance guidelines for cannabis products in Maryland

Overview

Maryland requires comprehensive testing of all medical cannabis products before they can be dispensed. Testing must be performed by independent, state-licensed testing laboratories and covers cannabinoid content, contaminants, and safety parameters.

Regulatory Authority

Maryland Medical Cannabis Commission

Visit Regulatory Website →

Key Regulations

COMAR 10.62.31 - Testing →Maryland Medical Cannabis Commission Regulations →

Testing Categories

Cannabinoid Profile

Required

Testing for THC, THCA, CBD, CBDA, CBN, and total cannabinoids

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdiblesTopicals

Pesticide Testing

Required

Screening for pesticides prohibited in cannabis cultivation

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdibles

Heavy Metals

Required

Analysis for cadmium, lead, arsenic, and mercury

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdibles

Microbial Contaminants

Required

Testing for E. coli, Salmonella, and aspergillus

Testing Frequency: Per batch

Applies to:

FlowerEdibles

Mycotoxins

Required

Testing for aflatoxins B1, B2, G1, G2, and ochratoxin A

Testing Frequency: Per batch

Applies to:

Flower

Residual Solvents

Required

Analysis of residual solvents from extraction processes

Testing Frequency: Per batch

Applies to:

Concentrates

Product-Specific Requirements

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Moisture / stability

Test Type: Moisture content

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Potency

Test Type: Cannabinoids quantified

Δ9-THC, Δ8-THC, Total THC (raw plant only), THCA, CBD, CBDA, CBG, CBN; terpenes per AHP monograph

Source: MCA Technical Authority, Potency section

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Terpenes

Test Type: Terpene analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Physical

Test Type: Foreign matter inspection

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Moisture / stability

Test Type: Water activity

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Microbiology

Test Type: Microbial screen (TYMC, TAMC)

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Pathogens

Test Type: Salmonella + E. coli

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Mycotoxins

Test Type: Mycotoxin screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Heavy metals

Test Type: Heavy metal screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Flower / raw plant material (buds, shake/trim, prerolls)

Required

Panel: Pesticides

Test Type: Pesticide residue analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Potency

Test Type: Potency analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Terpenes

Test Type: Terpene analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Physical

Test Type: Foreign matter inspection

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Microbiology

Test Type: Microbial screen (TYMC, TAMC) + Salmonella + E. coli

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Mycotoxins

Test Type: Mycotoxin screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Heavy metals

Test Type: Heavy metal screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Residual solvents

Test Type: Residual solvent test

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Concentrates (solvent & non-solvent)

Required

Panel: Pesticides

Test Type: Pesticide residue analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Vape carts / infused non-edible inhalable

Required

Panel: Excipients

Test Type: Vitamin E acetate (VEA)

Required (screening); VEA banned

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Vape carts / infused non-edible inhalable

Required

Panel: Residual solvents

Test Type: Residual solvent test

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Vape carts / infused non-edible inhalable

Required

Panel: Pesticides

Test Type: Pesticide residue analysis

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Vape carts / infused non-edible inhalable

Required

Panel: Heavy metals

Test Type: Heavy metals screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Potency

Test Type: Cannabinoids

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Moisture / stability

Test Type: Water activity

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Physical

Test Type: Foreign matter inspection

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Microbiology

Test Type: Total coliforms + STEC + Salmonella + E. coli + L. monocytogenes

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Mycotoxins

Test Type: Mycotoxin screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Edibles (solid infused edible)

Required

Panel: Heavy metals

Test Type: Heavy metals screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Potency

Test Type: Cannabinoids/Terpenes

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Microbiology

Test Type: Microbial screen (TYMC/TAMC) + Salmonella + E. coli

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Pesticides

Test Type: Pesticides

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Residual solvents

Test Type: Residual solvents

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Mycotoxins

Test Type: Mycotoxin screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

Tinctures (oral)

Required

Panel: Heavy metals

Test Type: Heavy metals screen

Required

Source: Maryland Cannabis Administration Technical Authority (Rev 5, 2024-03-13), Appendix A

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