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Hyperglycemia

/ˌhaɪ.pə.ɡlaɪˈsiː.mi.ə/ noun Endocrinology
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Elevated venous plasma glucose concentration exceeding normal baseline (>126 mg/dL fasting or >200 mg/dL postprandial).

Detailed Medical Explanation

Hyperglycemia is a key clinical concept in Endocrinology.

Elevated venous plasma glucose concentration exceeding normal baseline (>126 mg/dL fasting or >200 mg/dL postprandial).

Clinical Significance

In routine medical evaluation, understanding Hyperglycemia assists clinicians in differential diagnosis, laboratory interpretation, and patient management.

When to Consult a Physician

If you or a family member exhibit persistent symptoms or abnormal test results related to Hyperglycemia, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

Primary feature of Diabetes Mellitus. Severe acute cases lead to Diabetic Ketoacidosis (DKA).

Patient-Friendly Explanation

In simple terms, Hyperglycemia refers to: Elevated venous plasma glucose concentration exceeding normal baseline (>126 mg/dL fasting or >200 mg/dL postprandial).

Professional Clinical Context

Clinically, Hyperglycemia is categorized under Endocrinology. Primary clinical manifestations include: Elevated venous plasma glucose concentration exceeding normal baseline (>126 mg/dL fasting or >200 mg/dL postprandial).

Medical Disclaimer

This medical glossary entry is provided for health education and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding any clinical condition.

Terminology Metadata
  • Specialty Endocrinology
  • Part of Speech noun
  • Terminology Type general
  • Etymology & Origin Greek: hyper + glykys (sweet) + haima
  • Synonyms & Aliases High blood sugar, elevated glucose
Authoritative References

WHO / Medical Literature

Educational / Fair Use
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