Convert ICD-10 Code S56.311A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
S56.311A Strain extn/abdr musc/fasc/tend of r thm at forarm lv, init		841.9 Sprain elbow/forearm NOS
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 S56.311A - strain of extensor or abductor muscles, fascia and tendons of right thumb at forearm level, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.