For clinical reference only — does not replace local trust guidelines or clinical judgement.
‹ Blood Results
Blood Results

Hypercalcaemia

Hypercalcaemia

Severity
Range
  • Mild
    Adj Ca 2.6–3.0
  • Moderate
    Adj Ca 3.0–3.4
  • Severe
    Adj Ca > 3.4 or symptomatic
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🧠 Endocrine Causes

Primary hyperparathyroidismThyrotoxicosisAdrenal insufficiency
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🎗️ Malignancy Causes

PTHrP-producing cancersBone metastasesMultiple myeloma
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💊 Medications Causes

ThiazidesLithiumVitamin D excess
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🩺 Other Causes

ImmobilisationSarcoidosisTBExcess calcium intakeDehydrationSpurious (tourniquet, hyperalbuminaemia)