A) C-reactive protein
The LRINEC is a "Laboratory Risk Indicator for Necrotizing Fasciitis" score. It is a helpful tool for distinguishing necrotizing fasciitis from other soft tissue infections. An LRINEC Score of more than 6 was found to have a positive predictive value of 92% and a negative predictive value of 96%.
Score calculator can be found online.
It consists of
- C-reactive protein
- Creatinine, and
- White Blood Cell (WBC) count
Wong CH, Khin LW, Heng KS, Tan KC, Low CO. The LRINEC (Laboratory Risk Indicator for Necrotizing Fasciitis) score: a tool for distinguishing necrotizing fasciitis from other soft tissue infections. Crit Care Med. 2004; 32(7):1535-1541.