W20.0XXD✓ Billable
Struck by falling object in cave-in, subsequent encounter
Code Hierarchy
┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W20Struck by thrown, projected or falling object
└W20.0XXDStruck by falling object in cave-in, subsequent encounter
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