What is the role of a complete blood count (CBC) in the diagnosis of pediatric Crohn disease?

Updated: Oct 23, 2018
  • Author: Andrew B Grossman, MD; Chief Editor: Carmen Cuffari, MD  more...
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Answer

Laboratory data for Crohn disease are nonspecific. The complete blood count (CBC) may reveal evidence of hypochromic microcytic anemia due to the iron deficiency anemia secondary to gastrointestinal (GI) blood loss, or it may reveal normocytic anemia due to the anemia of chronic disease.


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