What lab tests are recommended by the AAAAI for the diagnosis of acute sinusitis (sinus infection)?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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Some authors have reported on the use of laboratory tests, including sedimentation rate, white blood cell counts, and C-reactive protein levels, to help diagnose acute sinusitis. [34] These tests appear to add little to the predictive value of clinical findings in the diagnosis.

According to the AAAAI 2005 practice parameter, evaluation of acute, chronic, or recurrent sinusitis might include the following laboratory tests: nasal cytology, nasal-sinus biopsy, or tests for immunodeficiency, cystic fibrosis, or ciliary dysfunction. [2]

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