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To assist in diagnosing bacterial infection and risk for developing sepsis.
Serum collected in a gold-, red-, or red/gray-top tube. Plasma collected in a lavender-top (EDTA) or a green-top (lithium or sodium heparin) tube is also acceptable.
(Method: Fluorescence immunoassay)
|Age||Conventional Units||SI Units (Conventional Units × 1)|
|Newborn||Less than 2 ng/mL||Less than 2 mcg/L|
|18–20 hr||Less than 20 ng/mL||Less than 20 mcg/L|
|48 hr||Less than 5 ng/mL||Less than 5 mcg/L|
|3 d–adult||Less than 0.1 ng/mL||Less than 0.1 mcg/L|
|Interpretation||Conventional Units||SI Units|
|Bacterial infection absent or very unlikely||Less than 0.1 ng/mL||Less than 0.1 mcg/L|
|Bacterial infection possible; low risk for development of sepsis||Less than 0.5 ng/mL||Less than 0.5 mcg/L|
|Bacterial infection likely; development of sepsis is possible||0.5–2 ng/mL||0.5–2 mcg/L|
|Bacterial infection very likely; high risk for development of sepsis||2.1–9.9 ng/mL or greater||2.1–9.9 mcg/L or greater|
|Bacterial infection severe; septic shock is probable||10 ng/mL or greater||10 mcg/L or greater|
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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Procalcitonin." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425426/all/Procalcitonin.
Bladh ML, Van Leeuwen AM. Procalcitonin. Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425426/all/Procalcitonin. Accessed April 20, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Procalcitonin. In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425426/all/Procalcitonin
Bladh ML, Van Leeuwen AM. Procalcitonin [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 April 20]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425426/all/Procalcitonin.
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T1 - Procalcitonin
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DB - Nursing Central
DP - Unbound Medicine