Convert ICD-10 Code S21.109A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
S21.109A Unsp opn wnd unsp frnt wall of thrx w/o penet thor cav, init		875.0 Open wound of chest
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 S21.109A - unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.