ICD-10-CM > V00-Y99 > W20-W49 > W49 W49 Exposure to other inanimate mechanical forces Non-Billable/Non-Specific Includes exposure to abnormal gravitational [G] forcesexposure to inanimate mechanical forces NEC Type 1 Excludes exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-) Codes W49.0Item causing external constrictionW49.01Hair causing external constrictionW49.01XA..., initial encounterW49.01XD..., subsequent encounterW49.01XS..., sequelaW49.02String or thread causing external constrictionW49.02XA..., initial encounterW49.02XD..., subsequent encounterW49.02XS..., sequelaW49.03Rubber band causing external constrictionW49.03XA..., initial encounterW49.03XD..., subsequent encounterW49.03XS..., sequelaW49.04Ring or other jewelry causing external constrictionW49.04XA..., initial encounterW49.04XD..., subsequent encounterW49.04XS..., sequelaW49.09Other specified item causing external constrictionW49.09XA..., initial encounterW49.09XD..., subsequent encounterW49.09XS..., sequelaW49.9Exposure to other inanimate mechanical forcesW49.9XXA..., initial encounterW49.9XXD..., subsequent encounterW49.9XXS..., sequela