Which lab findings are characteristic of necrotizing fasciitis?

Updated: Sep 02, 2020
  • Author: Steven A Schulz, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Although the laboratory results may vary in a given clinical setting, the following may be associated with necrotizing fasciitis:

  • Elevated white blood cell (WBC count), possibly to more than 14,000/µL

  • Elevated blood urea nitrogen (BUN) level, possibly to greater than 15 mg/mL

  • Reduced serum sodium level, possibly to less than 135 mmol/L

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