I am mapping a set of ICD-10 code to SNOMED. One ICD-10, Q04.3 (Other reduction deformities of brain) used to mapped to SNOMED 204032005(reduction deformities of brain). But now 204032005 was deprecated. I looked through all the codes under its parent concept 57148006 (Congenital anomaly of brain (disorder) ) but did not find any that could be the mapped concept. Where can I find out how other people in the community map Q04.3 to SNOMED? Thank you very much in advance.