Convert ICD-10 Code E31.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
E31.9 Polyglandular dysfunction, unspecified		258.9 Polyglandul dysfunc NOS

ICD-10 to ICD-9 crosswalk for code E31.9 - polyglandular dysfunction, unspecified based on the most recent General Equivalence Mappings (GEMS) information.