Chapter 19
Injury, poisoning and certain other consequences of external causes
S00–T88
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FY 2027 effective October 1, 2026 · 171 categories in this chapter
Blocks in This Chapter
ICD-10-CM groups this chapter's categories into 22 blocks of three-character categories.
- S00 –S09 Injuries to the head
- S10 –S19 Injuries to the neck
- S20 –S29 Injuries to the thorax
- S30 –S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
- S40 –S49 Injuries to the shoulder and upper arm
- S50 –S59 Injuries to the elbow and forearm
- S60 –S69 Injuries to the wrist, hand and fingers
- S70 –S79 Injuries to the hip and thigh
- S80 –S89 Injuries to the knee and lower leg
- S90 –S99 Injuries to the ankle and foot
- T07 Injuries involving multiple body regions
- T14 Injury of unspecified body region
- T15 –T19 Effects of foreign body entering through natural orifice
- T20 –T25 Burns and corrosions of external body surface, specified by site
- T26 –T28 Burns and corrosions confined to eye and internal organs
- T30 –T32 Burns and corrosions of multiple and unspecified body regions
- T33 –T34 Frostbite
- T36 –T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances
- T51 –T65 Toxic effects of substances chiefly nonmedicinal as to source
- T66 –T78 Other and unspecified effects of external causes
- T79 Certain early complications of trauma
- T80 –T88 Complications of surgical and medical care, not elsewhere classified
Categories
Injury of unspecified body region (T14)
Effects of foreign body entering through natural orifice (T15-T19)
Burns and corrosions of external body surface, specified by site (T20-T25)
- T20 Burn and corrosion of head, face, and neck Has subcategories
- T21 Burn and corrosion of trunk Has subcategories
- T22 Burn and corrosion of shoulder and upper limb, except wrist and hand Has subcategories
- T23 Burn and corrosion of wrist and hand Has subcategories
- T24 Burn and corrosion of lower limb, except ankle and foot Has subcategories
- T25 Burn and corrosion of ankle and foot Has subcategories
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)
- T36 Poisoning by, adverse effect of and underdosing of systemic antibiotics Has subcategories
- T37 Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics Has subcategories
- T38 Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified Has subcategories
- T39 Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics Has subcategories
- T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens] Has subcategories
- T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases Has subcategories
- T42 Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs Has subcategories
- T43 Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified Has subcategories
- T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system Has subcategories
- T45 Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified Has subcategories
- T46 Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system Has subcategories
- T47 Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system Has subcategories
- T48 Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system Has subcategories
- T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs Has subcategories
- T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances Has subcategories
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- T51 Toxic effect of alcohol Has subcategories
- T52 Toxic effect of organic solvents Has subcategories
- T53 Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons Has subcategories
- T54 Toxic effect of corrosive substances Has subcategories
- T55 Toxic effect of soaps and detergents Has subcategories
- T56 Toxic effect of metals Has subcategories
- T57 Toxic effect of other inorganic substances Has subcategories
- T58 Toxic effect of carbon monoxide Has subcategories
- T59 Toxic effect of other gases, fumes and vapors Has subcategories
- T60 Toxic effect of pesticides Has subcategories
- T61 Toxic effect of noxious substances eaten as seafood Has subcategories
- T62 Toxic effect of other noxious substances eaten as food Has subcategories
- T63 Toxic effect of contact with venomous animals and plants Has subcategories
- T64 Toxic effect of aflatoxin and other mycotoxin food contaminants Has subcategories
- T65 Toxic effect of other and unspecified substances Has subcategories
Other and unspecified effects of external causes (T66-T78)
- T66 Radiation sickness, unspecified Has subcategories
- T67 Effects of heat and light Has subcategories
- T68 Hypothermia Has subcategories
- T69 Other effects of reduced temperature Has subcategories
- T70 Effects of air pressure and water pressure Has subcategories
- T71 Asphyxiation Has subcategories
- T73 Effects of other deprivation Has subcategories
- T74 Adult and child abuse, neglect and other maltreatment, confirmed Has subcategories
- T75 Other and unspecified effects of other external causes Has subcategories
- T76 Adult and child abuse, neglect and other maltreatment, suspected Has subcategories
- T78 Adverse effects, not elsewhere classified Has subcategories
Certain early complications of trauma (T79)
Complications of surgical and medical care, not elsewhere classified (T80-T88)
- T80 Complications following infusion, transfusion and therapeutic injection Has subcategories
- T81 Complications of procedures, not elsewhere classified Has subcategories
- T82 Complications of cardiac and vascular prosthetic devices, implants and grafts Has subcategories
- T83 Complications of genitourinary prosthetic devices, implants and grafts Has subcategories
- T84 Complications of internal orthopedic prosthetic devices, implants and grafts Has subcategories
- T85 Complications of other internal prosthetic devices, implants and grafts Has subcategories
- T86 Complications of transplanted organs and tissue Has subcategories
- T87 Complications peculiar to reattachment and amputation Has subcategories
- T88 Other complications of surgical and medical care, not elsewhere classified Has subcategories