ICD-10-CM

Exposure to inanimate mechanical forces (W20-W49)

W42: Exposure to noise sevenChrNote The appropriate 7th character is to be added to each code from category W42 sevenChrDef A: initial encounter D: subsequent encounter S: sequela
W42.0: Exposure to supersonic waves
W42.9: Exposure to other noise

W42: Exposure to noise

sevenChrNote
The appropriate 7th character is to be added to each code from category W42

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela

W42.0: Exposure to supersonic waves

W42.9: Exposure to other noise

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