ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.3 > S20.35 S20.35 Superficial foreign body of front wall of thorax Non-Billable/Non-Specific Applicable To Splinter in front wall of thorax Codes S20.351Superficial foreign body of right front wall of thoraxS20.351A..., initial encounterS20.351D..., subsequent encounterS20.351S..., sequelaS20.352Superficial foreign body of left front wall of thoraxS20.352A..., initial encounterS20.352D..., subsequent encounterS20.352S..., sequelaS20.353Superficial foreign body of bilateral front wall of thoraxS20.353A..., initial encounterS20.353D..., subsequent encounterS20.353S..., sequelaS20.354Superficial foreign body of middle front wall of thoraxS20.354A..., initial encounterS20.354D..., subsequent encounterS20.354S..., sequelaS20.359Superficial foreign body of unspecified front wall of thoraxS20.359A..., initial encounterS20.359D..., subsequent encounterS20.359S..., sequela