Reference Values

Lower Respiratory Tract Infection Risk:

<0.1 ng/mL - Indicates absence of Lower Respiratory tract infection

>0.1 ng/mL and <0.25 ng/mL - Lower  Respiratory tract infection unlikely. Consider retesting in 6-24  hours

> 0.25 ng/mL and <0.5 ng/mL - Lower Respiratory tract  infection is possible

> 0.5 ng/mL - Suggests the presence of Lower Respiratory tract infection

Systemic Bacterial Infection Risk

<0.5 ng/mL  - Low risk for progression to severe systemic infection

> 0.5 ng/mL and 2 ng/mL - Moderate risk for progression to severe systemic infection

> 2.0 ng/mL and <10.0 ng/mL - High risk for progression to severe systemic infection

> 10.0 ng/mL - High likelihood of severe sepsis