Convert ICD-10 Code S66.422S to ICD-9

Source ICD-10 Code		Target ICD-9 Code
S66.422S Lacerat intrns musc/fasc/tend l thm at wrs/hnd lv, sequela		906.1 Late eff open wnd extrem
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 S66.422S - laceration of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level, sequela based on the most recent General Equivalence Mappings (GEMS) information.