ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 19  /  T66-T78

Other and unspecified effects of external causes (T66-T78)

T66 Radiation sickness, unspecified
Excludes1 specified adverse effects of radiation, such as:
burns (T20-T31)
leukemia (C91-C95)
radiation gastroenteritis and colitis (K52.0)
radiation pneumonitis (J70.0)
radiation related disorders of the skin and subcutaneous tissue (L55-L59)
sunburn (L55.-)
char7Note The appropriate 7th character is to be added to code T66
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T67 Effects of heat and light
Excludes1 erythema [dermatitis] ab igne (L59.0)
malignant hyperpyrexia due to anesthesia (T88.3)
radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
Excludes2 burns (T20-T31)
sunburn (L55.-)
sweat disorder due to heat (L74-L75)
char7Note The appropriate 7th character is to be added to each code from category T67
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T67.0 Heatstroke and sunstroke
UseAdditionalCode code(s) to identify any associated complications of heatstroke, such as:
coma and stupor (R40.-)
rhabdomyolysis (M62.82)
systemic inflammatory response syndrome (R65.1-)
T67.01 Heatstroke and sunstroke
Heat apoplexy
Heat pyrexia
Siriasis
Thermoplegia
T67.02 Exertional heatstroke
T67.09 Other heatstroke and sunstroke
T67.1 Heat syncope
Heat collapse
T67.2 Heat cramp
T67.3 Heat exhaustion, anhydrotic
Heat prostration due to water depletion
Excludes1 heat exhaustion due to salt depletion (T67.4)
T67.4 Heat exhaustion due to salt depletion
Heat prostration due to salt (and water) depletion
T67.5 Heat exhaustion, unspecified
Heat prostration NOS
T67.6 Heat fatigue, transient
T67.7 Heat edema
T67.8 Other effects of heat and light
T67.9 Effect of heat and light, unspecified
T68 Hypothermia
Accidental hypothermia
Hypothermia NOS
UseAdditionalCode code to identify source of exposure:
Exposure to excessive cold of man-made origin (W93)
Exposure to excessive cold of natural origin (X31)
Excludes1 hypothermia following anesthesia (T88.51)
hypothermia not associated with low environmental temperature (R68.0)
hypothermia of newborn (P80.-)
Excludes2 frostbite (T33-T34)
char7Note The appropriate 7th character is to be added to code T68
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T69 Other effects of reduced temperature
UseAdditionalCode code to identify source of exposure:
Exposure to excessive cold of man-made origin (W93)
Exposure to excessive cold of natural origin (X31)
Excludes2 frostbite (T33-T34)
char7Note The appropriate 7th character is to be added to each code from category T69
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T69.0 Immersion hand and foot
T69.01 Immersion hand
T69.011 Immersion hand, right hand
T69.012 Immersion hand, left hand
T69.019 Immersion hand, unspecified hand
T69.02 Immersion foot
Trench foot
T69.021 Immersion foot, right foot
T69.022 Immersion foot, left foot
T69.029 Immersion foot, unspecified foot
T69.1 Chilblains
T69.8 Other specified effects of reduced temperature
T69.9 Effect of reduced temperature, unspecified
T70 Effects of air pressure and water pressure
char7Note The appropriate 7th character is to be added to each code from category T70
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T70.0 Otitic barotrauma
Aero-otitis media
Effects of change in ambient atmospheric pressure or water pressure on ears
T70.1 Sinus barotrauma
Aerosinusitis
Effects of change in ambient atmospheric pressure on sinuses
T70.2 Other and unspecified effects of high altitude
Excludes2 polycythemia due to high altitude (D75.1)
T70.20 Unspecified effects of high altitude
T70.29 Other effects of high altitude
Alpine sickness
Anoxia due to high altitude
Barotrauma NOS
Hypobaropathy
Mountain sickness
T70.3 Caisson disease [decompression sickness]
Compressed-air disease
Diver's palsy or paralysis
T70.4 Effects of high-pressure fluids
Hydraulic jet injection (industrial)
Pneumatic jet injection (industrial)
Traumatic jet injection (industrial)
T70.8 Other effects of air pressure and water pressure
T70.9 Effect of air pressure and water pressure, unspecified
T71 Asphyxiation
Mechanical suffocation
Traumatic suffocation
Excludes1 acute respiratory distress (syndrome) (J80)
anoxia due to high altitude (T70.2)
asphyxia NOS (R09.01)
asphyxia from carbon monoxide (T58.-)
asphyxia from inhalation of food or foreign body (T17.-)
asphyxia from other gases, fumes and vapors (T59.-)
respiratory distress (syndrome) in newborn (P22.-)
char7Note The appropriate 7th character is to be added to each code from category T71
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T71.1 Asphyxiation due to mechanical threat to breathing
Suffocation due to mechanical threat to breathing
T71.11 Asphyxiation due to smothering under pillow
T71.111 Asphyxiation due to smothering under pillow, accidental
Asphyxiation due to smothering under pillow NOS
T71.112 Asphyxiation due to smothering under pillow, intentional self-harm
T71.113 Asphyxiation due to smothering under pillow, assault
T71.114 Asphyxiation due to smothering under pillow, undetermined
T71.12 Asphyxiation due to plastic bag
T71.121 Asphyxiation due to plastic bag, accidental
Asphyxiation due to plastic bag NOS
T71.122 Asphyxiation due to plastic bag, intentional self-harm
T71.123 Asphyxiation due to plastic bag, assault
T71.124 Asphyxiation due to plastic bag, undetermined
T71.13 Asphyxiation due to being trapped in bed linens
T71.131 Asphyxiation due to being trapped in bed linens, accidental
Asphyxiation due to being trapped in bed linens NOS
T71.132 Asphyxiation due to being trapped in bed linens, intentional self-harm
T71.133 Asphyxiation due to being trapped in bed linens, assault
T71.134 Asphyxiation due to being trapped in bed linens, undetermined
T71.14 Asphyxiation due to smothering under another person's body (in bed)
T71.141 Asphyxiation due to smothering under another person's body (in bed), accidental
Asphyxiation due to smothering under another person's body (in bed) NOS
T71.143 Asphyxiation due to smothering under another person's body (in bed), assault
T71.144 Asphyxiation due to smothering under another person's body (in bed), undetermined
T71.15 Asphyxiation due to smothering in furniture
T71.151 Asphyxiation due to smothering in furniture, accidental
Asphyxiation due to smothering in furniture NOS
T71.152 Asphyxiation due to smothering in furniture, intentional self-harm
T71.153 Asphyxiation due to smothering in furniture, assault
T71.154 Asphyxiation due to smothering in furniture, undetermined
T71.16 Asphyxiation due to hanging
Hanging by window shade cord
UseAdditionalCode code for any associated injuries, such as:
crushing injury of neck (S17.-)
fracture of cervical vertebrae (S12.0-S12.2-)
open wound of neck (S11.-)
T71.161 Asphyxiation due to hanging, accidental
Asphyxiation due to hanging NOS
Hanging NOS
T71.162 Asphyxiation due to hanging, intentional self-harm
T71.163 Asphyxiation due to hanging, assault
T71.164 Asphyxiation due to hanging, undetermined
T71.19 Asphyxiation due to mechanical threat to breathing due to other causes
T71.191 Asphyxiation due to mechanical threat to breathing due to other causes, accidental
Asphyxiation due to other causes NOS
T71.192 Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm
T71.193 Asphyxiation due to mechanical threat to breathing due to other causes, assault
T71.194 Asphyxiation due to mechanical threat to breathing due to other causes, undetermined
T71.2 Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air
Suffocation due to systemic oxygen deficiency due to low oxygen content in ambient air
T71.20 Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause
T71.21 Asphyxiation due to cave-in or falling earth
UseAdditionalCode code for any associated cataclysm (X34-X38)
T71.22 Asphyxiation due to being trapped in a car trunk
T71.221 Asphyxiation due to being trapped in a car trunk, accidental
T71.222 Asphyxiation due to being trapped in a car trunk, intentional self-harm
T71.223 Asphyxiation due to being trapped in a car trunk, assault
T71.224 Asphyxiation due to being trapped in a car trunk, undetermined
T71.23 Asphyxiation due to being trapped in a (discarded) refrigerator
T71.231 Asphyxiation due to being trapped in a (discarded) refrigerator, accidental
T71.232 Asphyxiation due to being trapped in a (discarded) refrigerator, intentional self-harm
T71.233 Asphyxiation due to being trapped in a (discarded) refrigerator, assault
T71.234 Asphyxiation due to being trapped in a (discarded) refrigerator, undetermined
T71.29 Asphyxiation due to being trapped in other low oxygen environment
T71.9 Asphyxiation due to unspecified cause
Suffocation (by strangulation) due to unspecified cause
Suffocation NOS
Systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause
Systemic oxygen deficiency due to mechanical threat to breathing due to unspecified cause
Traumatic asphyxia NOS
T73 Effects of other deprivation
char7Note The appropriate 7th character is to be added to each code from category T73
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T73.0 Starvation
Deprivation of food
T73.1 Deprivation of water
T73.2 Exhaustion due to exposure
T73.3 Exhaustion due to excessive exertion
Exhaustion due to overexertion
T73.8 Other effects of deprivation
T73.9 Effect of deprivation, unspecified
T74 Adult and child abuse, neglect and other maltreatment, confirmed
UseAdditionalCode code, if applicable, to identify any associated current injury
UseAdditionalCode external cause code to identify perpetrator, if known (Y07.-)
Excludes1 abuse and maltreatment in pregnancy (O9A.3-, O9A.4-, O9A.5-)
adult and child maltreatment, suspected (T76.-)
char7Note The appropriate 7th character is to be added to each code from category T74
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T74.0 Neglect or abandonment, confirmed
T74.01 Adult neglect or abandonment, confirmed
T74.02 Child neglect or abandonment, confirmed
T74.1 Physical abuse, confirmed
Excludes2 sexual abuse (T74.2-)
T74.11 Adult physical abuse, confirmed
T74.12 Child physical abuse, confirmed
Excludes2 shaken infant syndrome (T74.4)
T74.2 Sexual abuse, confirmed
Rape, confirmed
Sexual assault, confirmed
T74.21 Adult sexual abuse, confirmed
T74.22 Child sexual abuse, confirmed
T74.3 Psychological abuse, confirmed
Bullying and intimidation, confirmed
Intimidation through social media, confirmed
Target of threatened harm, confirmed
Target of threatened physical violence, confirmed
Target of threatened sexual abuse, confirmed
T74.31 Adult psychological abuse, confirmed
T74.32 Child psychological abuse, confirmed
T74.4 Shaken infant syndrome
T74.5 Forced sexual exploitation, confirmed
T74.51 Adult forced sexual exploitation, confirmed
T74.52 Child sexual exploitation, confirmed
T74.6 Forced labor exploitation, confirmed
T74.61 Adult forced labor exploitation, confirmed
T74.62 Child forced labor exploitation, confirmed
T74.9 Unspecified maltreatment, confirmed
T74.91 Unspecified adult maltreatment, confirmed
T74.92 Unspecified child maltreatment, confirmed
T74.A Financial abuse, confirmed
T74.A1 Adult financial abuse, confirmed
T74.A2 Child financial abuse, confirmed
T75 Other and unspecified effects of other external causes
Excludes1 adverse effects NEC (T78.-)
Excludes2 burns (electric) (T20-T31)
char7Note The appropriate 7th character is to be added to each code from category T75
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T75.0 Effects of lightning
Struck by lightning
T75.00 Unspecified effects of lightning
Struck by lightning NOS
T75.01 Shock due to being struck by lightning
T75.09 Other effects of lightning
UseAdditionalCode code for other effects of lightning
T75.1 Unspecified effects of drowning and nonfatal submersion
Immersion
Excludes1 specified effects of drowning- code to effects
T75.2 Effects of vibration
T75.20 Unspecified effects of vibration
T75.21 Pneumatic hammer syndrome
T75.22 Traumatic vasospastic syndrome
T75.23 Vertigo from infrasound
Excludes1 vertigo NOS (R42)
T75.29 Other effects of vibration
T75.3 Motion sickness
Airsickness
Seasickness
Travel sickness
UseAdditionalCode external cause code to identify vehicle or type of motion (Y92.81-)
T75.4 Electrocution
Shock from electric current
Shock from electroshock gun (taser)
T75.8 Other specified effects of external causes
T75.81 Effects of abnormal gravitation [G] forces
T75.82 Effects of weightlessness
T75.89 Other specified effects of external causes
T76 Adult and child abuse, neglect and other maltreatment, suspected
UseAdditionalCode code, if applicable, to identify any associated current injury
Excludes1 adult and child maltreatment, confirmed (T74.-)
suspected abuse and maltreatment in pregnancy (O9A.3-, O9A.4-, O9A.5-)
suspected adult physical abuse, ruled out (Z04.71)
suspected adult sexual abuse, ruled out (Z04.41)
suspected child physical abuse, ruled out (Z04.72)
suspected child sexual abuse, ruled out (Z04.42)
char7Note The appropriate 7th character is to be added to each code from category T76
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T76.0 Neglect or abandonment, suspected
T76.01 Adult neglect or abandonment, suspected
T76.02 Child neglect or abandonment, suspected
T76.1 Physical abuse, suspected
T76.11 Adult physical abuse, suspected
T76.12 Child physical abuse, suspected
T76.2 Sexual abuse, suspected
Rape, suspected
Excludes1 alleged abuse, ruled out (Z04.7)
T76.21 Adult sexual abuse, suspected
T76.22 Child sexual abuse, suspected
T76.3 Psychological abuse, suspected
Bullying and intimidation, suspected
Intimidation through social media, suspected
Target of threatened harm, suspected
Target of threatened physical violence, suspected
Target of threatened sexual abuse, suspected
T76.31 Adult psychological abuse, suspected
T76.32 Child psychological abuse, suspected
T76.5 Forced sexual exploitation, suspected
T76.51 Adult forced sexual exploitation, suspected
T76.52 Child sexual exploitation, suspected
T76.6 Forced labor exploitation, suspected
T76.61 Adult forced labor exploitation, suspected
T76.62 Child forced labor exploitation, suspected
T76.9 Unspecified maltreatment, suspected
T76.91 Unspecified adult maltreatment, suspected
T76.92 Unspecified child maltreatment, suspected
T76.A Financial abuse, suspected
T76.A1 Adult financial abuse, suspected
T76.A2 Child financial abuse, suspected
T78 Adverse effects, not elsewhere classified
Excludes2 complications of surgical and medical care NEC (T80-T88)
char7Note The appropriate 7th character is to be added to each code from category T78
char7Def A: initial encounter
D: subsequent encounter
S: sequela
T78.0 Anaphylactic reaction due to food
Anaphylactic reaction due to adverse food reaction
Anaphylactic shock or reaction due to nonpoisonous foods
Anaphylactoid reaction due to food
T78.00 Anaphylactic reaction due to unspecified food
T78.01 Anaphylactic reaction due to peanuts
T78.02 Anaphylactic reaction due to shellfish (crustaceans)
T78.03 Anaphylactic reaction due to other fish
T78.04 Anaphylactic reaction due to fruits and vegetables
T78.05 Anaphylactic reaction due to tree nuts and seeds
Excludes2 anaphylactic reaction due to peanuts (T78.01)
T78.06 Anaphylactic reaction due to food additives
T78.07 Anaphylactic reaction due to milk and dairy products
T78.08 Anaphylactic reaction due to eggs
T78.09 Anaphylactic reaction due to other food products
T78.1 Other adverse food reactions, not elsewhere classified
UseAdditionalCode code to identify the type of reaction, if applicable
Excludes1 anaphylactic reaction or shock due to adverse food reaction (T78.0-)
anaphylactic reaction due to food (T78.0-)
bacterial food borne intoxications (A05.-)
Excludes2 allergic and dietetic gastroenteritis and colitis (K52.29)
allergic rhinitis due to food (J30.5)
dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
dermatitis due to ingested food (L27.2)
food protein-induced enterocolitis syndrome (K52.21)
food protein-induced enteropathy (K52.22)
T78.2 Anaphylactic shock, unspecified
Allergic shock
Anaphylactic reaction
Anaphylaxis
Excludes1 anaphylactic reaction or shock due to adverse effect of correct medicinal substance properly administered (T88.6)
anaphylactic reaction or shock due to adverse food reaction (T78.0-)
anaphylactic reaction or shock due to serum (T80.5-)
T78.3 Angioneurotic edema
Allergic angioedema
Giant urticaria
Quincke's edema
Excludes1 serum urticaria (T80.6-)
urticaria (L50.-)
T78.4 Other and unspecified allergy
Excludes1 specified types of allergic reaction such as:
allergic diarrhea (K52.29)
allergic gastroenteritis and colitis (K52.29)
dermatitis (L23-L25, L27.-)
food protein-induced enterocolitis syndrome (K52.21)
food protein-induced enteropathy (K52.22)
hay fever (J30.1)
T78.40 Allergy, unspecified
Allergic reaction NOS
Hypersensitivity NOS
T78.41 Arthus phenomenon
Arthus reaction
T78.49 Other allergy
T78.8 Other adverse effects, not elsewhere classified