Convert ICD-10 Code K04.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K04.1 Necrosis of pulp		522.1 Necrosis of tooth pulp

ICD-10 to ICD-9 crosswalk for code K04.1 - necrosis of pulp based on the most recent General Equivalence Mappings (GEMS) information.