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
episiotomy extended by laceration
Injuries to the head
Injuries to the neck
Injuries to the thorax
Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
Injuries to the shoulder and upper arm
Injuries to the elbow and forearm
Injuries to the wrist, hand and fingers
Injuries to the hip and thigh
Injuries to the knee and lower leg
Injuries to the ankle and foot
Injuries involving multiple body regions
Injury of unspecified body region
Effects of foreign body entering through natural orifice
Burns and corrosions of external body surface, specified by site
Burns and corrosions confined to eye and internal organs
Burns and corrosions of multiple and unspecified body regions
Frostbite
Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
Toxic effects of substances chiefly nonmedicinal as to source
Other and unspecified effects of external causes
Certain early complications of trauma
Complications of surgical and medical care, not elsewhere classified