In mass spectrometry-based clinical analysis, what does MS stand for?

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Mass spectrometry is the technique that measures the mass-to-charge ratio of ionized molecules to identify and quantify substances in clinical samples. In practice, a sample is ionized, ions are separated by a mass analyzer, and a detector creates a spectrum that reveals the masses present, enabling precise identification and measurement of compounds. This approach is widely used in clinical analysis, often paired with chromatography (like LC-MS or GC-MS) to handle complex mixtures and provide sensitive, specific results for drugs, biomarkers, and metabolites. The other terms don’t fit this context: magnetic spectroscopy isn’t the standard label used here (magnetic resonance spectroscopy refers to a different method), molecular spectroscopy covers techniques that rely on light interactions rather than mass measurements, and mass protocol system isn’t a recognized term in this field.