W49 - Exposure to other inanimate mechanical forces
W49.0 - Item causing external constriction
W49.01 - Hair causing external constriction
W49.02 - String or thread causing external constriction
W49.03 - Rubber band causing external constriction
W49.04 - Ring or other jewelry causing external constriction
W49.09 - Other specified item causing external constriction