Convert ICD-10 Code J68.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J68.4 Chronic resp cond due to chemicals, gases, fumes and vapors		506.4 Fum/vapor chr resp cond

ICD-10 to ICD-9 crosswalk for code J68.4 - chronic respiratory conditions due to chemicals, gases, fumes and vapors based on the most recent General Equivalence Mappings (GEMS) information.