ICD-10-CM > V00-Y99 > W20-W49 > W20 W20 Struck by thrown, projected or falling object Non-Billable/Non-Specific Code First any associated:cataclysm (X34-X39)lightning strike (T75.00) Type 1 Excludes falling object in machinery accident (W24, W28-W31)falling object in transport accident (V01-V99)object set in motion by explosion (W35-W40)object set in motion by firearm (W32-W34)struck by thrown sports equipment (W21.-) Codes W20.0Struck by falling object in cave-inW20.0XXA..., initial encounterW20.0XXD..., subsequent encounterW20.0XXS..., sequelaW20.1Struck by object due to collapse of buildingW20.1XXA..., initial encounterW20.1XXD..., subsequent encounterW20.1XXS..., sequelaW20.8Other cause of strike by thrown, projected or falling objectW20.8XXA..., initial encounterW20.8XXD..., subsequent encounterW20.8XXS..., sequela