{"id":"sickle-cell-screen","name":"Sickle Cell Screen (Hemoglobin S Solubility)","shortName":"Sickle screen","aliases":["Sickle Cell Screen","Hemoglobin S Solubility","Sickledex","Sickle Solubility","HbS Screen","Sickle Cell Prep","Sickling Test","Sickling Test (Sodium Metabisulphite)","Prueba de Drepanocitos","Hemoglobin (Hgb) Solubility","Hgb Solubility","Hgb S Solubility","Hemoglobin Solubility Test","Sickle Prep","Sickle Cell Solubility Test","Sickle Cell Screen, Blood","Hb S Screen","HbS Solubility","Hemoglobin S Screen"],"abbreviations":["SCST","HbS screen","Hgb S solubility"],"loinc":[{"code":"6864-3","primary":true},{"code":"4621-9","primary":false},{"code":"801-1","primary":false}],"specimen":"whole-blood","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"A quick check for hemoglobin S, the type of hemoglobin linked to sickle cell trait and sickle cell disease. It can't tell the two apart.","url":"https://bloodtesttracker.com/markers/sickle-cell-screen","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}