Nicotine Metabolite Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** A measurement of the ratio of the nicotine metabolites 3-hydroxycotinine (3HC) to cotinine in a sample.

**Synonyms:** - 3-Hydroxycotinine to Cotinine Ratio Measurement - NMR - Nicotine Metabolite Ratio - Nicotine Metabolite Ratio