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High WCC (lymphocytes)

Authoring team

Lymphocytes are said to be raised if their numbers are greater than 3.5 x 109/l.

Conditions include:

  • viral infections such as EBV, CMV, rubella, whooping cough
  • toxoplasmosis
  • brucellosis
  • chronic lymphatic leukaemia

A suggested management of raised lymphocytes in adults:

 

Flowchart detailing the diagnostic approach to lymphocytosis, including normal lymphocyte ranges, symptoms for clinical assessments, and referral recommendations for further hematological evaluation.

 

Reference

  1. Chabot-Richards DS, George TI. Leukocytosis. Int J Lab Hematol. 2014 Jun;36(3):279-88

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