Fasting plasma glucose

DigiNepal SI द्वारा SmartAnswer

Blood sugar after at least 8 hours without food. Why it is done: To screen for and diagnose diabetes and prediabetes. DigiNepal SI द्वारा उद्धृत स्रोतों से तैयार · सामान्य जानकारी, निदान नहीं · स्वास्थ्यकर्मी से सलाह लें

स्रोत: SI (analytes, refranges, critical); LOINC; MedlinePlus Lab Tests (reference)

Why it is done

To screen for and diagnose diabetes and prediabetes.

Preparation

Fast 8 to 12 hours; water is allowed. Typical adult range: adults: 70 to 99 mg/dL (source: ADA Standards of Care 2025, section 2). Ranges vary by lab, age and sex; use the range on your report. Critical values that need urgent action: Glucose below 54 mg/dL (level 2 hypoglycaemia) (ADA Standards 2025, section 6); Glucose above 450 mg/dL (Kost 1990). High values may mean: Prediabetes or diabetes (needs a repeat test to confirm). Low values may mean: Hypoglycaemia, for example from diabetes medicines or long fasting. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

संबंधित स्थितियाँ

entry-health-condition-dka-entry-health-condition-gdm-entry-health-condition-hhs-entry-health-condition-hypoglycaemia

संबंधित परीक्षण

entry-health-lab-panel-diabetes-tests

यह कहाँ कराएँ

सामान्य प्रश्न

Fasting plasma glucose क्यों किया जाता है?
To screen for and diagnose diabetes and prediabetes.

Fasting plasma glucose के लिए तैयारी/उपवास चाहिए?
Fast 8 to 12 hours; water is allowed. Typical adult range: adults: 70 to 99 mg/dL (source: ADA Standards of Care 2025, section 2). Ranges vary by lab, age and sex; use the range on your report. Critical values that need urgent action: Glucose below 54 mg/dL (level 2 hypoglycaemia) (ADA Standards 2025, section 6); Glucose above 450 mg/dL (Kost 1990). High values may mean: Prediabetes or diabetes (needs a repeat test to confirm). Low values may mean: Hypoglycaemia, for example from diabetes medicines or long fasting. General information, not a diagnosis. Results must be interpreted by a qualified health worker.