{"product_id":"potassium-rbc","title":"Potassium, RBC","description":"\u003cdiv class=\"marek-pdp-desc\"\u003e\n\u003cp class=\"mpd-lead\"\u003eThis test measures potassium levels inside red blood cells, offering insight into intracellular potassium status that a normal serum potassium result can mask.\u003c\/p\u003e\n\u003cp class=\"mpd-h\"\u003eBuilt for\u003c\/p\u003e\n\u003cul class=\"mpd-list\"\u003e\n\u003cli\u003eIndividuals monitoring electrolyte balance as part of ongoing care\u003c\/li\u003e\n\u003cli\u003ePeople working with a provider to investigate potassium redistribution\u003c\/li\u003e\n\u003cli\u003eThose tracking mineral status alongside broader metabolic panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it measures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"mpd-list\"\u003e\u003cli\u003ePotassium, RBC\u003c\/li\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\u003cstyle\u003e.marek-pdp-desc{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:#171717;max-width:720px;}.marek-pdp-desc .mpd-lead{font-size:15px;line-height:1.6;margin:0 0 24px;}.marek-pdp-desc .mpd-h{font-size:16px;font-weight:600;margin:0 0 10px;}.marek-pdp-desc .mpd-list{margin:0 0 8px;padding-left:20px;}.marek-pdp-desc .mpd-list li{font-size:14px;line-height:1.6;margin:0 0 8px;}.marek-pdp-desc a{color:#4869B1;text-decoration:underline;}.marek-pdp-desc .mpd-accordions{margin-top:36px;}.marek-pdp-desc .mpd-accordion{border-top:1px solid rgba(23,23,23,0.1);padding:0 20px;}.marek-pdp-desc .mpd-accordion:last-child{border-bottom:1px solid rgba(23,23,23,0.1);}.marek-pdp-desc .mpd-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;padding:19px 0;font-size:16px;font-weight:400;list-style:none;}.marek-pdp-desc .mpd-summary::-webkit-details-marker{display:none;}.marek-pdp-desc .mpd-icon{width:14px;height:14px;flex:0 0 auto;transition:transform .5s cubic-bezier(0.3,1,0.3,1);}.marek-pdp-desc .mpd-accordion[open] .mpd-icon{transform:rotate(45deg);}.marek-pdp-desc .mpd-content{padding:0 0 19px;}.marek-pdp-desc .mpd-content ul{margin:0;padding-left:20px;}.marek-pdp-desc .mpd-content li{font-size:14px;line-height:1.6;margin:0 0 8px;}\u003c\/style\u003e","brand":"Marek Diagnostics","offers":[{"title":"Default Title","offer_id":52753199563026,"sku":"QST-229","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/7427\/5858\/files\/Potassium_-RBC.webp?v=1790362585","url":"https:\/\/marekdiagnostics.com\/products\/potassium-rbc","provider":"Marek Diagnostics","version":"1.0","type":"link"}