Convert ICD-10 Code E05.40 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
E05.40 Thyrotoxicosis factitia without thyrotoxic crisis or storm		242.80 Thyrtox orig NEC no cris
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code E05.40 - thyrotoxicosis factitia without thyrotoxic crisis or storm based on the most recent General Equivalence Mappings (GEMS) information.