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T71 Asphyxiation

ICD-10-CM category T71 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 117 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

T71.1 Asphyxiation due to mechanical threat to breathingT71.11 Asphyxiation due to smothering under pillowT71.111 Asphyxiation due to smothering under pillow, accidentalT71.112 Asphyxiation due to smothering under pillow, self-harmT71.113 Asphyxiation due to smothering under pillow, assaultT71.114 Asphyxiation due to smothering under pillow, undeterminedT71.12 Asphyxiation due to plastic bagT71.121 Asphyxiation due to plastic bag, accidentalT71.122 Asphyxiation due to plastic bag, intentional self-harmT71.123 Asphyxiation due to plastic bag, assaultT71.124 Asphyxiation due to plastic bag, undeterminedT71.13 Asphyxiation due to being trapped in bed linensT71.131 Asphyxiation due to being trapped in bed linens, accidentalT71.132 Asphyxiation due to being trapped in bed linens, self-harmT71.133 Asphyxiation due to being trapped in bed linens, assaultT71.134 Asphyx due to being trapped in bed linens, undeterminedT71.14 Asphyx due to smothr under another person's body (in bed)T71.141 Asphyx due to smothr under another person's body, accT71.143 Asphyx due to smothr under another person's body, assaultT71.144 Asphyx due to smothr under another person's body, undetT71.15 Asphyxiation due to smothering in furnitureT71.151 Asphyxiation due to smothering in furniture, accidentalT71.152 Asphyxiation due to smothering in furniture, self-harmT71.153 Asphyxiation due to smothering in furniture, assaultT71.154 Asphyxiation due to smothering in furniture, undeterminedT71.16 Asphyxiation due to hangingT71.161 Asphyxiation due to hanging, accidentalT71.162 Asphyxiation due to hanging, intentional self-harmT71.163 Asphyxiation due to hanging, assaultT71.164 Asphyxiation due to hanging, undeterminedT71.19 Asphyx due to mech threat to breathing due to oth causesT71.191 Asphyx due to mech threat to breathe due to oth causes, accT71.192 Asphyx d/t mech threat to breathe due to oth cause, slf-hrmT71.193 Asphyx due to mech threat to breathe due to oth cause, assltT71.194 Asphyx due to mech threat to breathe due to oth cause, undetT71.2 Asphyxiation due to systemic oxy defic due to low oxy in airT71.20 Asphyx due to sys oxy defic due to low oxy in air unsp causeT71.21 Asphyxiation due to cave-in or falling earthT71.22 Asphyxiation due to being trapped in a car trunkT71.221 Asphyxiation due to being trapped in a car trunk, accidental

Billable codes in T71

CodeDescription
T71.111AAsphyxiation due to smothering under pillow, accidental, initial encounter
T71.111DAsphyxiation due to smothering under pillow, accidental, subsequent encounter
T71.111SAsphyxiation due to smothering under pillow, accidental, sequela
T71.112AAsphyxiation due to smothering under pillow, intentional self-harm, initial encounter
T71.112DAsphyxiation due to smothering under pillow, intentional self-harm, subsequent encounter
T71.112SAsphyxiation due to smothering under pillow, intentional self-harm, sequela
T71.113AAsphyxiation due to smothering under pillow, assault, initial encounter
T71.113DAsphyxiation due to smothering under pillow, assault, subsequent encounter
T71.113SAsphyxiation due to smothering under pillow, assault, sequela
T71.114AAsphyxiation due to smothering under pillow, undetermined, initial encounter
T71.114DAsphyxiation due to smothering under pillow, undetermined, subsequent encounter
T71.114SAsphyxiation due to smothering under pillow, undetermined, sequela
T71.121AAsphyxiation due to plastic bag, accidental, initial encounter
T71.121DAsphyxiation due to plastic bag, accidental, subsequent encounter
T71.121SAsphyxiation due to plastic bag, accidental, sequela
T71.122AAsphyxiation due to plastic bag, intentional self-harm, initial encounter
T71.122DAsphyxiation due to plastic bag, intentional self-harm, subsequent encounter
T71.122SAsphyxiation due to plastic bag, intentional self-harm, sequela
T71.123AAsphyxiation due to plastic bag, assault, initial encounter
T71.123DAsphyxiation due to plastic bag, assault, subsequent encounter
T71.123SAsphyxiation due to plastic bag, assault, sequela
T71.124AAsphyxiation due to plastic bag, undetermined, initial encounter
T71.124DAsphyxiation due to plastic bag, undetermined, subsequent encounter
T71.124SAsphyxiation due to plastic bag, undetermined, sequela
T71.131AAsphyxiation due to being trapped in bed linens, accidental, initial encounter
T71.131DAsphyxiation due to being trapped in bed linens, accidental, subsequent encounter
T71.131SAsphyxiation due to being trapped in bed linens, accidental, sequela
T71.132AAsphyxiation due to being trapped in bed linens, intentional self-harm, initial encounter
T71.132DAsphyxiation due to being trapped in bed linens, intentional self-harm, subsequent encounter
T71.132SAsphyxiation due to being trapped in bed linens, intentional self-harm, sequela
T71.133AAsphyxiation due to being trapped in bed linens, assault, initial encounter
T71.133DAsphyxiation due to being trapped in bed linens, assault, subsequent encounter
T71.133SAsphyxiation due to being trapped in bed linens, assault, sequela
T71.134AAsphyxiation due to being trapped in bed linens, undetermined, initial encounter
T71.134DAsphyxiation due to being trapped in bed linens, undetermined, subsequent encounter
T71.134SAsphyxiation due to being trapped in bed linens, undetermined, sequela
T71.141AAsphyxiation due to smothering under another person's body (in bed), accidental, initial encounter
T71.141DAsphyxiation due to smothering under another person's body (in bed), accidental, subsequent encounter
T71.141SAsphyxiation due to smothering under another person's body (in bed), accidental, sequela
T71.143AAsphyxiation due to smothering under another person's body (in bed), assault, initial encounter
T71.143DAsphyxiation due to smothering under another person's body (in bed), assault, subsequent encounter
T71.143SAsphyxiation due to smothering under another person's body (in bed), assault, sequela
T71.144AAsphyxiation due to smothering under another person's body (in bed), undetermined, initial encounter
T71.144DAsphyxiation due to smothering under another person's body (in bed), undetermined, subsequent encounter
T71.144SAsphyxiation due to smothering under another person's body (in bed), undetermined, sequela
T71.151AAsphyxiation due to smothering in furniture, accidental, initial encounter
T71.151DAsphyxiation due to smothering in furniture, accidental, subsequent encounter
T71.151SAsphyxiation due to smothering in furniture, accidental, sequela
T71.152AAsphyxiation due to smothering in furniture, intentional self-harm, initial encounter
T71.152DAsphyxiation due to smothering in furniture, intentional self-harm, subsequent encounter
T71.152SAsphyxiation due to smothering in furniture, intentional self-harm, sequela
T71.153AAsphyxiation due to smothering in furniture, assault, initial encounter
T71.153DAsphyxiation due to smothering in furniture, assault, subsequent encounter
T71.153SAsphyxiation due to smothering in furniture, assault, sequela
T71.154AAsphyxiation due to smothering in furniture, undetermined, initial encounter
T71.154DAsphyxiation due to smothering in furniture, undetermined, subsequent encounter
T71.154SAsphyxiation due to smothering in furniture, undetermined, sequela
T71.161AAsphyxiation due to hanging, accidental, initial encounter
T71.161DAsphyxiation due to hanging, accidental, subsequent encounter
T71.161SAsphyxiation due to hanging, accidental, sequela
T71.162AAsphyxiation due to hanging, intentional self-harm, initial encounter
T71.162DAsphyxiation due to hanging, intentional self-harm, subsequent encounter
T71.162SAsphyxiation due to hanging, intentional self-harm, sequela
T71.163AAsphyxiation due to hanging, assault, initial encounter
T71.163DAsphyxiation due to hanging, assault, subsequent encounter
T71.163SAsphyxiation due to hanging, assault, sequela
T71.164AAsphyxiation due to hanging, undetermined, initial encounter
T71.164DAsphyxiation due to hanging, undetermined, subsequent encounter
T71.164SAsphyxiation due to hanging, undetermined, sequela
T71.191AAsphyxiation due to mechanical threat to breathing due to other causes, accidental, initial encounter
T71.191DAsphyxiation due to mechanical threat to breathing due to other causes, accidental, subsequent encounter
T71.191SAsphyxiation due to mechanical threat to breathing due to other causes, accidental, sequela
T71.192AAsphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, initial encounter
T71.192DAsphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, subsequent encounter
T71.192SAsphyxiation due to mechanical threat to breathing due to other causes, intentional self-harm, sequela
T71.193AAsphyxiation due to mechanical threat to breathing due to other causes, assault, initial encounter
T71.193DAsphyxiation due to mechanical threat to breathing due to other causes, assault, subsequent encounter
T71.193SAsphyxiation due to mechanical threat to breathing due to other causes, assault, sequela
T71.194AAsphyxiation due to mechanical threat to breathing due to other causes, undetermined, initial encounter
T71.194DAsphyxiation due to mechanical threat to breathing due to other causes, undetermined, subsequent encounter
T71.194SAsphyxiation due to mechanical threat to breathing due to other causes, undetermined, sequela
T71.20XAAsphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, initial encounter
T71.20XDAsphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, subsequent encounter
T71.20XSAsphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause, sequela
T71.21XAAsphyxiation due to cave-in or falling earth, initial encounter
T71.21XDAsphyxiation due to cave-in or falling earth, subsequent encounter
T71.21XSAsphyxiation due to cave-in or falling earth, sequela
T71.221AAsphyxiation due to being trapped in a car trunk, accidental, initial encounter
T71.221DAsphyxiation due to being trapped in a car trunk, accidental, subsequent encounter
T71.221SAsphyxiation due to being trapped in a car trunk, accidental, sequela
T71.222AAsphyxiation due to being trapped in a car trunk, intentional self-harm, initial encounter
T71.222DAsphyxiation due to being trapped in a car trunk, intentional self-harm, subsequent encounter
T71.222SAsphyxiation due to being trapped in a car trunk, intentional self-harm, sequela
T71.223AAsphyxiation due to being trapped in a car trunk, assault, initial encounter
T71.223DAsphyxiation due to being trapped in a car trunk, assault, subsequent encounter
T71.223SAsphyxiation due to being trapped in a car trunk, assault, sequela
T71.224AAsphyxiation due to being trapped in a car trunk, undetermined, initial encounter
T71.224DAsphyxiation due to being trapped in a car trunk, undetermined, subsequent encounter
T71.224SAsphyxiation due to being trapped in a car trunk, undetermined, sequela
T71.231AAsphyxiation due to being trapped in a (discarded) refrigerator, accidental, initial encounter
T71.231DAsphyxiation due to being trapped in a (discarded) refrigerator, accidental, subsequent encounter
T71.231SAsphyxiation due to being trapped in a (discarded) refrigerator, accidental, sequela
T71.232AAsphyxiation due to being trapped in a (discarded) refrigerator, intentional self-harm, initial encounter
T71.232DAsphyxiation due to being trapped in a (discarded) refrigerator, intentional self-harm, subsequent encounter
T71.232SAsphyxiation due to being trapped in a (discarded) refrigerator, intentional self-harm, sequela
T71.233AAsphyxiation due to being trapped in a (discarded) refrigerator, assault, initial encounter
T71.233DAsphyxiation due to being trapped in a (discarded) refrigerator, assault, subsequent encounter
T71.233SAsphyxiation due to being trapped in a (discarded) refrigerator, assault, sequela
T71.234AAsphyxiation due to being trapped in a (discarded) refrigerator, undetermined, initial encounter
T71.234DAsphyxiation due to being trapped in a (discarded) refrigerator, undetermined, subsequent encounter
T71.234SAsphyxiation due to being trapped in a (discarded) refrigerator, undetermined, sequela
T71.29XAAsphyxiation due to being trapped in other low oxygen environment, initial encounter
T71.29XDAsphyxiation due to being trapped in other low oxygen environment, subsequent encounter
T71.29XSAsphyxiation due to being trapped in other low oxygen environment, sequela
T71.9XXAAsphyxiation due to unspecified cause, initial encounter
T71.9XXDAsphyxiation due to unspecified cause, subsequent encounter
T71.9XXSAsphyxiation due to unspecified cause, sequela

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