T71.163D Asphyxiation due to hanging, assault, subsequent encounter
Billable ICD-10-CM code, FY2026.
Built from T71.163 with 7th character D (subsequent encounter).
Applies from T71 Asphyxiation
Applicable to
Mechanical suffocation
Traumatic suffocation
Excludes1 (never code together)
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.-)
7th character note
The appropriate 7th character is to be added to each code from category T71
7th character required
A — initial encounter
D — subsequent encounter
S — sequela
Applies from T71.1 Asphyxiation due to mechanical threat to breathing
Applicable to
Suffocation due to mechanical threat to breathing
Applies from T71.16 Asphyxiation due to hanging
Applicable to
Hanging by window shade cord
Use additional code
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.-)
Code annotations containing back-references to T71.163D
Back-references to T71
Type 1 Excludes: R09.0 Asphyxia and hypoxemia ("traumatic asphyxia (T71.-)")
Diagnosis Index entries for T71.163D
Asphyxia, asphyxiation (by) › traumatic › due to › mechanical threat to breathing (accidental) › hanging › done with intent to harm by › another person
Nearby codes
T71.162A Asphyxiation due to hanging, intentional self-harm, initial encounter
T71.162D Asphyxiation due to hanging, intentional self-harm, subsequent encounter
T71.162S Asphyxiation due to hanging, intentional self-harm, sequela