Convert ICD-10 Code T17.818A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T17.818A Gastr contents in oth prt resp tract cause oth injury, init		934.8 FB trach/bronch/lung NEC
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
T17.818A Gastr contents in oth prt resp tract cause oth injury, init		E911 Resp obstr-food inhal
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code T17.818A - gastric contents in other parts of respiratory tract causing other injury, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.