D57.2 - Sickle-cell/Hb-C disease
D57.21 - Sickle-cell/Hb-C disease with crisis
D57.211 - Sickle-cell/Hb-C disease with acute chest syndrome
D57.212 - Sickle-cell/Hb-C disease with splenic sequestration
D57.219 - Sickle-cell/Hb-C disease with crisis, unspecified