T18.4

foreign body in pharynx (T17.2-)

foreign body accidentally left in operation wound (T81.5-) foreign body in penetrating wound - See open wound by body region residual foreign body in soft tissue (M79.5) splinter, without open wound - See superficial injury by body region

code, if known, for foreign body entering into or through a natural orifice (W44.-)

birth trauma (P10-P15) obstetric trauma (O70-O71)

code to identify any retained foreign body, if applicable (Z18.-)

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes. (T07-T88) Injury, poisoning and certain other consequences of external causes (T07-T88) (T20-T32) Burns and corrosions (T20-T32) Includes: burns (thermal) from electrical heating appliances burns (thermal) from electricity burns (thermal) from flame burns (thermal) from friction burns (thermal) from hot air and hot gases burns (thermal) from hot objects burns (thermal) from lightning burns (thermal) from radiation chemical burn [corrosion] (external) (internal) scalds Excludes2: erythema [dermatitis] ab igne (L59.0) radiation-related disorders of the skin and subcutaneous tissue (L55-L59) sunburn (L55.-)