ICD-10-CM Section · T66-T78

Other and unspecified effects of external causes

204 codes in this section

204

Total Codes

Billable

204

Header (Non-Billable)

Top-Level Codes

About Section T66-T78

Section T66-T78 (T66-T78) covers other and unspecified effects of external causes. It sits within the Injury, poisoning and certain other consequences of external causes chapter (S00-T88). This section contains 204 ICD-10-CM codes, 0 billable diagnoses you can submit on a claim, and 204 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in T66-T78

Grouped by 3-character root code. Click any code for full detail.

T66 Radiation sickness, unspecified

0 subcodes

T67 Effects of heat and light

13 subcodes

T67.0	Heatstroke and sunstroke	Header
T67.01	Heatstroke and sunstroke	Header
T67.02	Exertional heatstroke	Header
T67.09	Other heatstroke and sunstroke	Header
T67.1	Heat syncope	Header
T67.2	Heat cramp	Header
T67.3	Heat exhaustion, anhydrotic	Header
T67.4	Heat exhaustion due to salt depletion	Header
T67.5	Heat exhaustion, unspecified	Header
T67.6	Heat fatigue, transient	Header
T67.7	Heat edema	Header
T67.8	Other effects of heat and light	Header
T67.9	Effect of heat and light, unspecified	Header

T68 Hypothermia

0 subcodes

T69 Other effects of reduced temperature

12 subcodes

T69.0	Immersion hand and foot	Header
T69.01	Immersion hand	Header
T69.011	Immersion hand, right hand	Header
T69.012	Immersion hand, left hand	Header
T69.019	Immersion hand, unspecified hand	Header
T69.02	Immersion foot	Header
T69.021	Immersion foot, right foot	Header
T69.022	Immersion foot, left foot	Header
T69.029	Immersion foot, unspecified foot	Header
T69.1	Chilblains	Header
T69.8	Other specified effects of reduced temperature	Header
T69.9	Effect of reduced temperature, unspecified	Header

T70 Effects of air pressure and water pressure

9 subcodes

T70.0	Otitic barotrauma	Header
T70.1	Sinus barotrauma	Header
T70.2	Other and unspecified effects of high altitude	Header
T70.20	Unspecified effects of high altitude	Header
T70.29	Other effects of high altitude	Header
T70.3	Caisson disease [decompression sickness]	Header
T70.4	Effects of high-pressure fluids	Header
T70.8	Other effects of air pressure and water pressure	Header
T70.9	Effect of air pressure and water pressure, unspecified	Header

T71 Asphyxiation

50 subcodes

T71.1	Asphyxiation due to mechanical threat to breathing	Header
T71.11	Asphyxiation due to smothering under pillow	Header
T71.111	Asphyxiation due to smothering under pillow, accidental	Header
T71.112	Asphyxiation due to smothering under pillow, intentional self-harm	Header
T71.113	Asphyxiation due to smothering under pillow, assault	Header
T71.114	Asphyxiation due to smothering under pillow, undetermined	Header
T71.12	Asphyxiation due to plastic bag	Header
T71.121	Asphyxiation due to plastic bag, accidental	Header
T71.122	Asphyxiation due to plastic bag, intentional self-harm	Header
T71.123	Asphyxiation due to plastic bag, assault	Header
T71.124	Asphyxiation due to plastic bag, undetermined	Header
T71.13	Asphyxiation due to being trapped in bed linens	Header
T71.131	Asphyxiation due to being trapped in bed linens, accidental	Header
T71.132	Asphyxiation due to being trapped in bed linens, intentional self-harm	Header
T71.133	Asphyxiation due to being trapped in bed linens, assault	Header
T71.134	Asphyxiation due to being trapped in bed linens, undetermined	Header
T71.14	Asphyxiation due to smothering under another person's body (in bed)	Header
T71.141	Asphyxiation due to smothering under another person's body (in bed), accidental	Header
T71.143	Asphyxiation due to smothering under another person's body (in bed), assault	Header
T71.144	Asphyxiation due to smothering under another person's body (in bed), undetermined	Header
T71.15	Asphyxiation due to smothering in furniture	Header
T71.151	Asphyxiation due to smothering in furniture, accidental	Header
T71.152	Asphyxiation due to smothering in furniture, intentional self-harm	Header
T71.153	Asphyxiation due to smothering in furniture, assault	Header
T71.154	Asphyxiation due to smothering in furniture, undetermined	Header
T71.16	Asphyxiation due to hanging	Header
T71.161	Asphyxiation due to hanging, accidental	Header
T71.162	Asphyxiation due to hanging, intentional self-harm	Header
T71.163	Asphyxiation due to hanging, assault	Header
T71.164	Asphyxiation due to hanging, undetermined	Header
T71.19	Asphyxiation due to mechanical threat to breathing due to other causes	Header
T71.191	Asphyxiation due to mechanical threat to breathing due to other causes, accidental	Header
T71.192	Asphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm	Header
T71.193	Asphyxiation due to mechanical threat to breathing due to other causes, assault	Header
T71.194	Asphyxiation due to mechanical threat to breathing due to other causes, undetermined	Header
T71.2	Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air	Header
T71.20	Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause	Header
T71.21	Asphyxiation due to cave-in or falling earth	Header
T71.22	Asphyxiation due to being trapped in a car trunk	Header
T71.221	Asphyxiation due to being trapped in a car trunk, accidental	Header
T71.222	Asphyxiation due to being trapped in a car trunk, intentional self-harm	Header
T71.223	Asphyxiation due to being trapped in a car trunk, assault	Header
T71.224	Asphyxiation due to being trapped in a car trunk, undetermined	Header
T71.23	Asphyxiation due to being trapped in a (discarded) refrigerator	Header
T71.231	Asphyxiation due to being trapped in a (discarded) refrigerator, accidental	Header
T71.232	Asphyxiation due to being trapped in a (discarded) refrigerator, intentional self-harm	Header
T71.233	Asphyxiation due to being trapped in a (discarded) refrigerator, assault	Header
T71.234	Asphyxiation due to being trapped in a (discarded) refrigerator, undetermined	Header
T71.29	Asphyxiation due to being trapped in other low oxygen environment	Header
T71.9	Asphyxiation due to unspecified cause	Header

T73 Effects of other deprivation

6 subcodes

T73.0	Starvation	Header
T73.1	Deprivation of water	Header
T73.2	Exhaustion due to exposure	Header
T73.3	Exhaustion due to excessive exertion	Header
T73.8	Other effects of deprivation	Header
T73.9	Effect of deprivation, unspecified	Header

T74 Adult and child abuse, neglect and other maltreatment, confirmed

25 subcodes

T74.0	Neglect or abandonment, confirmed	Header
T74.01	Adult neglect or abandonment, confirmed	Header
T74.02	Child neglect or abandonment, confirmed	Header
T74.1	Physical abuse, confirmed	Header
T74.11	Adult physical abuse, confirmed	Header
T74.12	Child physical abuse, confirmed	Header
T74.2	Sexual abuse, confirmed	Header
T74.21	Adult sexual abuse, confirmed	Header
T74.22	Child sexual abuse, confirmed	Header
T74.3	Psychological abuse, confirmed	Header
T74.31	Adult psychological abuse, confirmed	Header
T74.32	Child psychological abuse, confirmed	Header
T74.4	Shaken infant syndrome	Header
T74.5	Forced sexual exploitation, confirmed	Header
T74.51	Adult forced sexual exploitation, confirmed	Header
T74.52	Child sexual exploitation, confirmed	Header
T74.6	Forced labor exploitation, confirmed	Header
T74.61	Adult forced labor exploitation, confirmed	Header
T74.62	Child forced labor exploitation, confirmed	Header
T74.9	Unspecified maltreatment, confirmed	Header
T74.91	Unspecified adult maltreatment, confirmed	Header
T74.92	Unspecified child maltreatment, confirmed	Header
T74.A	Financial abuse, confirmed	Header
T74.A1	Adult financial abuse, confirmed	Header
T74.A2	Child financial abuse, confirmed	Header

T75 Other and unspecified effects of other external causes

20 subcodes

T75.0	Effects of lightning	Header
T75.00	Unspecified effects of lightning	Header
T75.01	Shock due to being struck by lightning	Header
T75.09	Other effects of lightning	Header
T75.1	Unspecified effects of drowning and nonfatal submersion	Header
T75.2	Effects of vibration	Header
T75.20	Unspecified effects of vibration	Header
T75.21	Pneumatic hammer syndrome	Header
T75.22	Traumatic vasospastic syndrome	Header
T75.23	Vertigo from infrasound	Header
T75.29	Other effects of vibration	Header
T75.3	Motion sickness	Header
T75.4	Electrocution	Header
T75.8	Other specified effects of external causes	Header
T75.81	Effects of abnormal gravitation [G] forces	Header
T75.82	Effects of weightlessness	Header
T75.83	Effects of war theater	Header
T75.830	Gulf war illness	Header
T75.838	Effects of other war theater	Header
T75.89	Other specified effects of external causes	Header

T76 Adult and child abuse, neglect and other maltreatment, suspected

24 subcodes

T76.0	Neglect or abandonment, suspected	Header
T76.01	Adult neglect or abandonment, suspected	Header
T76.02	Child neglect or abandonment, suspected	Header
T76.1	Physical abuse, suspected	Header
T76.11	Adult physical abuse, suspected	Header
T76.12	Child physical abuse, suspected	Header
T76.2	Sexual abuse, suspected	Header
T76.21	Adult sexual abuse, suspected	Header
T76.22	Child sexual abuse, suspected	Header
T76.3	Psychological abuse, suspected	Header
T76.31	Adult psychological abuse, suspected	Header
T76.32	Child psychological abuse, suspected	Header
T76.5	Forced sexual exploitation, suspected	Header
T76.51	Adult forced sexual exploitation, suspected	Header
T76.52	Child sexual exploitation, suspected	Header
T76.6	Forced labor exploitation, suspected	Header
T76.61	Adult forced labor exploitation, suspected	Header
T76.62	Child forced labor exploitation, suspected	Header
T76.9	Unspecified maltreatment, suspected	Header
T76.91	Unspecified adult maltreatment, suspected	Header
T76.92	Unspecified child maltreatment, suspected	Header
T76.A	Financial abuse, suspected	Header
T76.A1	Adult financial abuse, suspected	Header
T76.A2	Child financial abuse, suspected	Header

T78 Adverse effects, not elsewhere classified

34 subcodes

T78.0	Anaphylactic reaction due to food	Header
T78.00	Anaphylactic reaction due to unspecified food	Header
T78.01	Anaphylactic reaction due to peanuts	Header
T78.02	Anaphylactic reaction due to shellfish (crustaceans)	Header
T78.03	Anaphylactic reaction due to other fish	Header
T78.04	Anaphylactic reaction due to fruits and vegetables	Header
T78.05	Anaphylactic reaction due to tree nuts and seeds	Header
T78.06	Anaphylactic reaction due to food additives	Header
T78.07	Anaphylactic reaction due to milk and dairy products	Header
T78.070	Anaphylactic reaction due to milk and dairy products with tolerance to baked milk	Header
T78.071	Anaphylactic reaction due to milk and dairy products with reactivity to baked milk	Header
T78.079	Anaphylactic reaction due to milk and dairy products, unspecified	Header
T78.08	Anaphylactic reaction due to eggs	Header
T78.080	Anaphylactic reaction due to egg with tolerance to baked egg	Header
T78.081	Anaphylactic reaction due to egg with reactivity to baked egg	Header
T78.089	Anaphylactic reaction due to eggs, unspecified	Header
T78.09	Anaphylactic reaction due to other food products	Header
T78.1	Other adverse food reactions, not elsewhere classified	Header
T78.11	Other adverse food reactions due to milk and dairy products	Header
T78.110	Other adverse food reactions due to milk and dairy products with tolerance to baked milk	Header
T78.111	Other adverse food reaction due to milk and dairy products with reactivity to baked milk	Header
T78.119	Other adverse food reaction due to milk and dairy products with baked milk tolerance/reactivity, unspecified	Header
T78.12	Other adverse food reaction due to eggs	Header
T78.120	Other adverse food reaction due to egg with tolerance to baked egg	Header
T78.121	Other adverse food reaction due to egg with reactivity to baked egg	Header
T78.129	Other adverse food reaction due to egg with baked egg tolerance/reactivity, unspecified	Header
T78.19	Other adverse food reactions, not elsewhere classified	Header
T78.2	Anaphylactic shock, unspecified	Header
T78.3	Angioneurotic edema	Header
T78.4	Other and unspecified allergy	Header
T78.40	Allergy, unspecified	Header
T78.41	Arthus phenomenon	Header
T78.49	Other allergy	Header
T78.8	Other adverse effects, not elsewhere classified	Header