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W49

Exposure to other inanimate mechanical forces

• exposure to abnormal gravitational [G] forces
• exposure to inanimate mechanical forces NEC

• exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)

• The appropriate 7th character is to be added to each code from category W49

• initial encounter
• subsequent encounter
• sequela

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

W49.9

Exposure to other inanimate mechanical forces