A non-negative drug test result indicates that a preliminary screening detected potential substances, but it is not a definitive positive. It requires confirmatory testing to rule out false positives or determine actual drug use. This term is commonly used in workplace and clinical drug testing to avoid premature conclusions.
“WO contrast” is an abbreviation commonly used in medical imaging reports to indicate that a study was performed without the administration of a contrast agent. It appears in modalities such as CT, MRI, and X‑ray, helping clinicians understand the imaging conditions and interpret findings appropriately.
White ash in smoking refers to the residue left after burning certain types of tobacco or cannabis, indicating a cleaner burn and often associated with higher-quality materials.
MOP is an abbreviation that appears on some drug‑test reports, most often indicating a multiple opioid panel or a specific opioid‑screening protocol. Its exact meaning can vary between laboratories, so interpreting the result requires knowledge of the testing provider’s terminology.
The small colored rectangles on toothpaste tubes are manufacturing alignment marks, known as eye marks, used to guide sensors during the tube-cutting and sealing process. Despite widespread online claims, they do not indicate ingredients, chemical content, or recyclability.
DDS stands for Doctor of Dental Surgery, a professional degree awarded to dentists in the United States and some other countries.
In medical reporting, the term unremarkable indicates that no abnormalities or notable findings were observed during an examination or imaging study. It is synonymous with normal or within normal limits in a clinical context. This terminology is commonly used in radiology, pathology, and physical examination reports to convey healthy results.
The term XL Event on an EEG is not a standard clinical designation. It typically refers to a proprietary software marker or custom annotation used in specific neurofeedback or monitoring systems.
Cutting cocaine is the practice of adding other substances to the drug before it is sold. The added materials increase bulk, alter potency, and affect health risks, making it a central issue in illicit drug markets.
Maternal cell contamination (MCC) is the presence of a mother’s cells in a fetal sample used for genetic testing. It can interfere with prenatal diagnoses and is detected through specialized laboratory methods.