MCMedicalCodingSoftware
T71.224A

T71.224A: Asphyxiation due to being trapped in a car trunk, undetermined, initial encounter

Billable / specific codeICD-10-CM

T71.224A is a billable, specific ICD-10-CM code for asphyxiation due to being trapped in a car trunk, undetermined, initial encounter. It is valid for submission on a claim.

Check T71.224A with the rest of the claim: free scrubber

7th character "A": initial encounter

The appropriate 7th character is to be added to each code from category T71

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above T71.224A

A category’s note binds every code beneath it.

Written on T71: Asphyxiation

  • 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.-)

Other codes that can never be billed with T71.224A

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R09.0Asphyxia and hypoxemia

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

T71.224A is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56612Billing and Coding: CT of the Head
  • A57205Billing and Coding: Oximetry Services
  • A57326Billing and Coding: Electrocardiograms

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under T71.224

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.