How are procalcitonin (PCT) level results in neonates interpreted?

Updated: Jul 30, 2019
  • Author: Jiun-Lih Jerry Lin, MBBS, MS(Orth); Chief Editor: Eric B Staros, MD  more...
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In neonates aged less than 72 hours, a procalcitonin level of more than 1 ng/mL at birth, 100 ng/mL or more at age 24 hours, and 50 ng/mL or more at age 48 hours suggests serious bacterial infection. [3, 4]

In children with urinary tract infection, a PCT level of more than 0.5 ng/mL suggests renal involvement.

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