ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.3 > S20.36 S20.36 Insect bite (nonvenomous) of front wall of thorax Non-Billable/Non-Specific Codes S20.361Insect bite (nonvenomous) of right front wall of thoraxS20.361A..., initial encounterS20.361D..., subsequent encounterS20.361S..., sequelaS20.362Insect bite (nonvenomous) of left front wall of thoraxS20.362A..., initial encounterS20.362D..., subsequent encounterS20.362S..., sequelaS20.363Insect bite (nonvenomous) of bilateral front wall of thoraxS20.363A..., initial encounterS20.363D..., subsequent encounterS20.363S..., sequelaS20.364Insect bite (nonvenomous) of middle front wall of thoraxS20.364A..., initial encounterS20.364D..., subsequent encounterS20.364S..., sequelaS20.369Insect bite (nonvenomous) of unspecified front wall of thoraxS20.369A..., initial encounterS20.369D..., subsequent encounterS20.369S..., sequela