T71.221Header code — not billable
Asphyxiation due to being trapped in a car trunk, accidental
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T71
- Effective date
- October 1, 2026
Related codes in category T71
T71AsphyxiationT71.1Asphyxiation due to mechanical threat to breathingT71.11Asphyxiation due to smothering under pillowT71.111Asphyxiation due to smothering under pillow, accidentalT71.111AAsphyx due to smothering under pillow, accidental, initYesT71.111DAsphyx due to smothering under pillow, accidental, subsYesT71.111SAsphyx due to smothering under pillow, accidental, sequelaYesT71.112Asphyxiation due to smothering under pillow, self-harmT71.112AAsphyxiation due to smothering under pillow, self-harm, initYesT71.112DAsphyxiation due to smothering under pillow, self-harm, subsYesT71.112SAsphyx due to smothering under pillow, self-harm, sequelaYesT71.113Asphyxiation due to smothering under pillow, assault
Frequently asked questions
What is ICD-10 code T71.221?
T71.221 is an ICD-10-CM diagnosis code for Asphyxiation due to being trapped in a car trunk, accidental.
Is T71.221 a billable code?
No. T71.221 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T71.221 in?
T71.221 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T71.221 become effective?
T71.221 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T71.221?
T71.221 belongs to category T71, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.