CRP and hypochromic microcytic anemia: Laboratory tests revealed normal kidney function, serum electrolytes, C3, C4, prothrombin time (PT), partial thromboplastin time (PTT), microcytic hypochromic anemia (HGB 9.5, MCV 63), normal c-reactive protein (CRP) (4), and elevated erythrocyte sedimentation rate (ESR) (40).