Hyperglycemia is generally considered to be plasma glucose in which range?

• A. 125-150 mg/dL
• B. 150-180 mg/dL
• C. 200-250 mg/dL
• D. 180-200 mg/dL

Answer: (D)

Hyperglycemia is defined by glucose levels that exceed the upper end of what’s normal for a newborn. In NICU practice, when a baby’s plasma glucose sits in the higher end of the normal range and persists there, it’s considered hyperglycemia and signals the need to reassess feeding, IV dextrose, and overall management. This threshold is used because mild fluctuations can occur with feeding, illness, or measurement, but values in the higher end of the neonatal range are associated with greater risk and warrant closer monitoring or intervention.

Understanding this helps connect why the chosen range fits best: it represents the point at which clinicians start labeling the condition as hyperglycemia and consider steps to reduce glucose exposure or, if needed, carefully manage with insulin under supervision. In contrast, values clearly within normal limits or only mildly elevated often do not trigger an explicit hyperglycemia diagnosis or aggressive treatment.