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Blood indices

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Blood tests in Crohn's may reveal the following:

  • full blood count - anaemia due to blood loss and/or vitamin B12 or folate deficiency, increased platelet count which correlates with disease activity, leukocytosis.
  • ESR - elevated
  • elevated CRP: correlates with disease activity. Note that CRP is significantly higher in Crohn's disease than in ulcerative colitis.
  • biochemistry - severe disease may result in
    • hypokalaemia, hyponatraemia, and metabolic acidosis secondary to diarrhoea
    • hypoalbuminaemia secondary to malabsorption
    • abnormal liver function tests if there is associated chronic active hepatitis

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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