Convert ICD-10 Code D02.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D02.1 Carcinoma in situ of trachea		231.1 Ca in situ trachea

ICD-10 to ICD-9 crosswalk for code D02.1 - carcinoma in situ of trachea based on the most recent General Equivalence Mappings (GEMS) information.