ICD-10-CM > V00-Y99 > Y35-Y38 > Y37 > Y37.7 Y37.7 Military operations involving chemical weapons and other forms of unconventional warfare Non-Billable/Non-Specific Type 1 Excludes military operations involving incendiary devices (Y36.3-, Y36.5-) Codes Y37.7XMilitary operations involving chemical weapons and other forms of unconventional warfareY37.7X0Military operations involving chemical weapons and other forms of unconventional warfare, military personnelY37.7X0A..., initial encounterY37.7X0D..., subsequent encounterY37.7X0S..., sequelaY37.7X1Military operations involving chemical weapons and other forms of unconventional warfare, civilianY37.7X1A..., initial encounterY37.7X1D..., subsequent encounterY37.7X1S..., sequela
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