code requires phenotype Acute Chest Syndrome Sickle Cell Disease-S Beta Zero Thalassemia Sickle Cell Painful Event D57.43 Sickle-cell thalassemia beta zero with crisis D57.431 Sickle-cell thalassemia beta zero with acute chest syndrome ICD10CM:D57.431 - Few but definitions not freely available D57.431 Sickle-cell thalassemia beta zero with acute chest syndrome