Cannabinoids (Marijuana), by GC-MS analysis is a laboratory test used to detect the presence of cannabinoid compounds in body samples such as blood or urine. This analysis relies on an advanced technique that enhances result accuracy, making it an ideal option for determining drug exposure. It is used in multiple fields, including forensic medicine, to assess cases of driving under the influence of drugs, as well as in certain medical contexts to monitor therapy. By identifying levels of compounds such as THC and CBD, physicians and healthcare professionals can make informed decisions regarding treatment and care.