Convert ICD-10 Code A27.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
A27.9 Leptospirosis, unspecified		100.9 Leptospirosis NOS

ICD-10 to ICD-9 crosswalk for code A27.9 - leptospirosis, unspecified based on the most recent General Equivalence Mappings (GEMS) information.