Convert ICD-10 Code S20.229A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
S20.229A Contusion of unspecified back wall of thorax, init encntr		922.33 Interscplr reg contusion
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code S20.229A - contusion of unspecified back wall of thorax, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.