CRP and congenital non-bullous ichthyosiform erythroderma: Still, a serum CRP concentration ≥9.1 mg/L was highly specific (100%) to detect dogs requiring anti-inflammatory or immunosuppressive treatment (SRE/IRE and NRE) among all CIE cases including those responding to an elimination diet (FRE) or antimicrobial treatment (ARE) (87, 108).