{"product_id":"lab-cortisol-lcms-saliva-quest-diagnostics","title":"Cortisol, LC\/MS, Saliva (Test)","description":"\u003cp\u003eThis Quest Diagnostics salivary cortisol test measures free cortisol levels using liquid chromatography\/mass spectrometry (LC\/MS), a highly specific analytical method that minimizes cross-reactivity with cortisol metabolites. Collected non-invasively via saliva, the test reflects unbound, biologically active cortisol — making it a practical option for those monitoring adrenal function, HPA axis activity, or circadian cortisol patterns.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy It's Worth Considering:\u003c\/strong\u003e LC\/MS methodology offers greater analytical precision than standard immunoassay-based saliva tests, particularly useful when accurate quantification matters for clinical decision-making.\u003c\/p\u003e","brand":"Quest Diagnostics","offers":[{"title":"Default Title","offer_id":42636251070558,"sku":"lab-cortisol-lcms-saliva-quest-diagnostics","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6698\/2750\/files\/logo_2794fb7e-6fe7-4f08-97b7-f2d8964268f9.svg?v=1777676631","url":"https:\/\/apotheca.market\/products\/lab-cortisol-lcms-saliva-quest-diagnostics","provider":"Apotheca","version":"1.0","type":"link"}