Injury, poisoning and certain other consequences of external causes (S00-T88)

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

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

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

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.
Injuries to the head (S00-S09)
Injuries to the neck (S10-S19)
Injuries to the thorax (S20-S29)
Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
Injuries to the shoulder and upper arm (S40-S49)
Injuries to the elbow and forearm (S50-S59)
Injuries to the wrist, hand and fingers (S60-S69)
Injuries to the hip and thigh (S70-S79)
Injuries to the knee and lower leg (S80-S89)
Injuries to the ankle and foot (S90-S99)
Injury, poisoning and certain other consequences of external causes (T07-T88)
Injuries involving multiple body regions (T07)
Injury of unspecified body region (T14)
Effects of foreign body entering through natural orifice (T15-T19)
Burns and corrosions (T20-T32)
Burns and corrosions of external body surface, specified by site (T20-T25)
Burns and corrosions confined to eye and internal organs (T26-T28)
Burns and corrosions of multiple and unspecified body regions (T30-T32)
Frostbite (T33-T34)
Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Other and unspecified effects of external causes (T66-T78)
Certain early complications of trauma (T79)
Complications of surgical and medical care, not elsewhere classified (T80-T88)

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