CALB2 and hereditary elliptocytosis: AChE + HE together with calretinin showed sensitivity of 85.7% (total group pathologists) versus 85.7% (unexperienced pathologists), specificity of 96.2% (total group pathologists) versus 97.0% (unexperienced pathologists), AUC of 0.88 (total group pathologists) versus 0.90 (unexperienced pathologists), and positive likelihood ratio of 22.7 (total group pathologists) versus 28.3 (unexperienced pathologists).