{"id":"glucose-ogtt-1h","name":"Glucose, OGTT 1-Hour","shortName":"OGTT 1-Hour Glucose","aliases":["Glucose 1 hr (GTT)","OGTT 1 hour","Glucose Tolerance 1 Hour","GTT 60 min","OGTT 60 min","Glucose Tolerance Test, 1 Hour","Glucose 1 hr post 75 g","Glucose, 1 hr OGTT","Glucose 1 Hour (OGTT)"],"abbreviations":["1h-PG","1-h PG","OGTT-1h"],"loinc":[{"code":"1507-3","primary":true},{"code":"51597-3","primary":false},{"code":"1501-6","primary":false},{"code":"14753-8","primary":false}],"specimen":"serum-or-plasma","units":[{"ucum":"mg/dL","display":"mg/dL"},{"ucum":"mmol/L","display":"mmol/L"},{"ucum":"g/L","display":"g/L"}],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Blood glucose one hour after a measured sugar drink in an oral glucose tolerance test. In pregnancy, a high 1-hour value is one criterion for gestational diabetes.","url":"https://bloodtesttracker.com/markers/glucose-ogtt-1h","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}