Random plasma glucose — lab reference
In the reference guideDiabetes may be diagnosed at ≥200 with classic symptoms or hyperglycemic crisis.
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What’s searchable?Diabetes may be diagnosed at ≥200 with classic symptoms or hyperglycemic crisis.
Normal <100; prediabetes 100-125; diabetes ≥126 on confirmatory testing unless unequivocal hyperglycemia.
Normal <140; prediabetes 140-199; diabetes ≥200.
Recent supplementation can elevate; very high values may be clinically relevant.
Highly preanalytic-sensitive. Fasting, processing, and recent intake matter.
Renal threshold, SGLT2 inhibitors, pregnancy, and hyperglycemia matter.
Pulsatile secretion makes random GH difficult to interpret; stimulation/suppression testing may be needed.
Direct renin and plasma renin activity are not interchangeable.
Supine collection and stress control improve specificity; use exact lab cutoffs.
Volume status, glucose, osmolality, and medications may alter interpretation.
Interpret with concurrent glucose, kidney function, and exogenous insulin use.
Specify whole blood, RBC, plasma, or intracellular method. Preanalytic handling is critical.
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