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Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88)

Code Range: S00 — T88 24 Sections FY 2026

This chapter of the ICD-10-CM classification covers diagnosis codes from S00 through T88. Browse the sections below to find specific diagnosis codes within this chapter.

Chapter Notes

  • 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

Excludes2 (not included here):

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

Sections

  • S00-S09 Injuries to the head (S00-S09)
    756 codes
  • S10-S19 Injuries to the neck (S10-S19)
    385 codes
  • S20-S29 Injuries to the thorax (S20-S29)
    638 codes
  • S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
    955 codes
  • S40-S49 Injuries to the shoulder and upper arm (S40-S49)
    816 codes
  • S50-S59 Injuries to the elbow and forearm (S50-S59)
    875 codes
  • S60-S69 Injuries to the wrist, hand and fingers (S60-S69)
    1650 codes
  • S70-S79 Injuries to the hip and thigh (S70-S79)
    668 codes
  • S80-S89 Injuries to the knee and lower leg (S80-S89)
    905 codes
  • S90-S99 Injuries to the ankle and foot (S90-S99)
    1018 codes
  • T07 Injuries involving multiple body regions (T07)
    1 code
  • T07-T88 Injury, poisoning and certain other consequences of external causes (T07-T88)
  • T14 Injury of unspecified body region (T14)
    5 codes
  • T15-T19 Effects of foreign body entering through natural orifice (T15-T19)
    131 codes
  • T20-T25 Burns and corrosions of external body surface, specified by site (T20-T25)
    1030 codes
  • T20-T32 Burns and corrosions (T20-T32)
  • T26-T28 Burns and corrosions confined to eye and internal organs (T26-T28)
    73 codes
  • T30-T32 Burns and corrosions of multiple and unspecified body regions (T30-T32)
    133 codes
  • T33-T34 Frostbite (T33-T34)
    104 codes
  • T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
    1388 codes
  • T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
    774 codes
  • T66-T78 Other and unspecified effects of external causes (T66-T78)
    204 codes
  • T79 Certain early complications of trauma (T79)
    22 codes
  • T80-T88 Complications of surgical and medical care, not elsewhere classified (T80-T88)
    802 codes

Top-Level Codes in This Chapter

  • S00 Superficial injury of head
  • S01 Open wound of head
  • S02 Fracture of skull and facial bones
  • S03 Dislocation and sprain of joints and ligaments of head
  • S04 Injury of cranial nerve
  • S05 Injury of eye and orbit
  • S06 Intracranial injury
  • S07 Crushing injury of head
  • S08 Avulsion and traumatic amputation of part of head
  • S09 Other and unspecified injuries of head
  • S10 Superficial injury of neck
  • S11 Open wound of neck
  • S12 Fracture of cervical vertebra and other parts of neck
  • S13 Dislocation and sprain of joints and ligaments at neck level
  • S14 Injury of nerves and spinal cord at neck level
  • S15 Injury of blood vessels at neck level
  • S16 Injury of muscle, fascia and tendon at neck level
  • S17 Crushing injury of neck
  • S19 Other specified and unspecified injuries of neck
  • S20 Superficial injury of thorax
  • S21 Open wound of thorax
  • S22 Fracture of rib(s), sternum and thoracic spine
  • S23 Dislocation and sprain of joints and ligaments of thorax
  • S24 Injury of nerves and spinal cord at thorax level
  • S25 Injury of blood vessels of thorax
  • S26 Injury of heart
  • S27 Injury of other and unspecified intrathoracic organs
  • S28 Crushing injury of thorax, and traumatic amputation of part of thorax
  • S29 Other and unspecified injuries of thorax
  • S30 Superficial injury of abdomen, lower back, pelvis and external genitals
  • S31 Open wound of abdomen, lower back, pelvis and external genitals
  • S32 Fracture of lumbar spine and pelvis
  • S33 Dislocation and sprain of joints and ligaments of lumbar spine and pelvis
  • S34 Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level
  • S35 Injury of blood vessels at abdomen, lower back and pelvis level
  • S36 Injury of intra-abdominal organs
  • S37 Injury of urinary and pelvic organs
  • S38 Crushing injury and traumatic amputation of abdomen, lower back, pelvis and external genitals
  • S39 Other and unspecified injuries of abdomen, lower back, pelvis and external genitals
  • S40 Superficial injury of shoulder and upper arm
  • S41 Open wound of shoulder and upper arm
  • S42 Fracture of shoulder and upper arm
  • S43 Dislocation and sprain of joints and ligaments of shoulder girdle
  • S44 Injury of nerves at shoulder and upper arm level
  • S45 Injury of blood vessels at shoulder and upper arm level
  • S46 Injury of muscle, fascia and tendon at shoulder and upper arm level
  • S47 Crushing injury of shoulder and upper arm
  • S48 Traumatic amputation of shoulder and upper arm
  • S49 Other and unspecified injuries of shoulder and upper arm
  • S50 Superficial injury of elbow and forearm
  • S51 Open wound of elbow and forearm
  • S52 Fracture of forearm
  • S53 Dislocation and sprain of joints and ligaments of elbow
  • S54 Injury of nerves at forearm level
  • S55 Injury of blood vessels at forearm level
  • S56 Injury of muscle, fascia and tendon at forearm level
  • S57 Crushing injury of elbow and forearm
  • S58 Traumatic amputation of elbow and forearm
  • S59 Other and unspecified injuries of elbow and forearm
  • S60 Superficial injury of wrist, hand and fingers
  • S61 Open wound of wrist, hand and fingers
  • S62 Fracture at wrist and hand level
  • S63 Dislocation and sprain of joints and ligaments at wrist and hand level
  • S64 Injury of nerves at wrist and hand level
  • S65 Injury of blood vessels at wrist and hand level
  • S66 Injury of muscle, fascia and tendon at wrist and hand level
  • S67 Crushing injury of wrist, hand and fingers
  • S68 Traumatic amputation of wrist, hand and fingers
  • S69 Other and unspecified injuries of wrist, hand and finger(s)
  • S70 Superficial injury of hip and thigh
  • S71 Open wound of hip and thigh
  • S72 Fracture of femur
  • S73 Dislocation and sprain of joint and ligaments of hip
  • S74 Injury of nerves at hip and thigh level
  • S75 Injury of blood vessels at hip and thigh level
  • S76 Injury of muscle, fascia and tendon at hip and thigh level
  • S77 Crushing injury of hip and thigh
  • S78 Traumatic amputation of hip and thigh
  • S79 Other and unspecified injuries of hip and thigh
  • S80 Superficial injury of knee and lower leg
  • S81 Open wound of knee and lower leg
  • S82 Fracture of lower leg, including ankle
  • S83 Dislocation and sprain of joints and ligaments of knee
  • S84 Injury of nerves at lower leg level
  • S85 Injury of blood vessels at lower leg level
  • S86 Injury of muscle, fascia and tendon at lower leg level
  • S87 Crushing injury of lower leg
  • S88 Traumatic amputation of lower leg
  • S89 Other and unspecified injuries of lower leg
  • S90 Superficial injury of ankle, foot and toes
  • S91 Open wound of ankle, foot and toes
  • S92 Fracture of foot and toe, except ankle
  • S93 Dislocation and sprain of joints and ligaments at ankle, foot and toe level
  • S94 Injury of nerves at ankle and foot level
  • S95 Injury of blood vessels at ankle and foot level
  • S96 Injury of muscle and tendon at ankle and foot level
  • S97 Crushing injury of ankle and foot
  • S98 Traumatic amputation of ankle and foot
  • S99 Other and unspecified injuries of ankle and foot
  • T07 Unspecified multiple injuries Billable
  • T14 Injury of unspecified body region
  • T15 Foreign body on external eye
  • T16 Foreign body in ear
  • T17 Foreign body in respiratory tract
  • T18 Foreign body in alimentary tract
  • T19 Foreign body in genitourinary tract
  • T20 Burn and corrosion of head, face, and neck
  • T21 Burn and corrosion of trunk
  • T22 Burn and corrosion of shoulder and upper limb, except wrist and hand
  • T23 Burn and corrosion of wrist and hand
  • T24 Burn and corrosion of lower limb, except ankle and foot
  • T25 Burn and corrosion of ankle and foot
  • T26 Burn and corrosion confined to eye and adnexa
  • T27 Burn and corrosion of respiratory tract
  • T28 Burn and corrosion of other internal organs
  • T30 Burn and corrosion, body region unspecified
  • T31 Burns classified according to extent of body surface involved
  • T32 Corrosions classified according to extent of body surface involved
  • T33 Superficial frostbite
  • T34 Frostbite with tissue necrosis
  • T36 Poisoning by, adverse effect of and underdosing of systemic antibiotics
  • T37 Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
  • T38 Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified
  • T39 Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics
  • T40 Poisoning by, adverse effect of and underdosing of narcotics and psychodysleptics [hallucinogens]
  • T41 Poisoning by, adverse effect of and underdosing of anesthetics and therapeutic gases
  • T42 Poisoning by, adverse effect of and underdosing of antiepileptic, sedative- hypnotic and antiparkinsonism drugs
  • T43 Poisoning by, adverse effect of and underdosing of psychotropic drugs, not elsewhere classified
  • T44 Poisoning by, adverse effect of and underdosing of drugs primarily affecting the autonomic nervous system
  • T45 Poisoning by, adverse effect of and underdosing of primarily systemic and hematological agents, not elsewhere classified
  • T46 Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
  • T47 Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system
  • T48 Poisoning by, adverse effect of and underdosing of agents primarily acting on smooth and skeletal muscles and the respiratory system
  • T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
  • T50 Poisoning by, adverse effect of and underdosing of diuretics and other and unspecified drugs, medicaments and biological substances
  • T51 Toxic effect of alcohol
  • T52 Toxic effect of organic solvents
  • T53 Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons
  • T54 Toxic effect of corrosive substances
  • T55 Toxic effect of soaps and detergents
  • T56 Toxic effect of metals
  • T57 Toxic effect of other inorganic substances
  • T58 Toxic effect of carbon monoxide
  • T59 Toxic effect of other gases, fumes and vapors
  • T60 Toxic effect of pesticides
  • T61 Toxic effect of noxious substances eaten as seafood
  • T62 Toxic effect of other noxious substances eaten as food
  • T63 Toxic effect of contact with venomous animals and plants
  • T64 Toxic effect of aflatoxin and other mycotoxin food contaminants
  • T65 Toxic effect of other and unspecified substances
  • T66 Radiation sickness, unspecified Billable
  • T67 Effects of heat and light
  • T68 Hypothermia Billable
  • T69 Other effects of reduced temperature
  • T70 Effects of air pressure and water pressure
  • T71 Asphyxiation
  • T73 Effects of other deprivation
  • T74 Adult and child abuse, neglect and other maltreatment, confirmed
  • T75 Other and unspecified effects of other external causes
  • T76 Adult and child abuse, neglect and other maltreatment, suspected
  • T78 Adverse effects, not elsewhere classified
  • T79 Certain early complications of trauma, not elsewhere classified
  • T80 Complications following infusion, transfusion and therapeutic injection
  • T81 Complications of procedures, not elsewhere classified
  • T82 Complications of cardiac and vascular prosthetic devices, implants and grafts
  • T83 Complications of genitourinary prosthetic devices, implants and grafts
  • T84 Complications of internal orthopedic prosthetic devices, implants and grafts
  • T85 Complications of other internal prosthetic devices, implants and grafts
  • T86 Complications of transplanted organs and tissue
  • T87 Complications peculiar to reattachment and amputation
  • T88 Other complications of surgical and medical care, not elsewhere classified

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