ICD10BillableValid for clinical use

ICD-10 Code T71.21: Asphyxiation due to cave-in or falling earth

T71.21 is a billable ICD-10 diagnosis code used to classify Asphyxiation due to cave-in or falling earth in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents asphyxiation due to cave-in or falling earth in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T66-T78Other and unspecified effects of external causes
category
T71Asphyxiation
category
T71.2Asphyxiation due to systemic oxygen deficiency due to low oxygen content in ambient air
currentT71.2

Official coding notes

Applicable to
  • code for any associated cataclysm (X34-X38)
Use additional code
  • code for any associated cataclysm (X34-X38)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Emergency Medicine SpecialistOrthopedic SpecialistENT Specialist

Coding guidelines

Common synonyms

Asphyxiation due to cave-in or falling earth

Frequently asked questions

Code details

CodeT71.21
SystemICD10
Display nameAsphyxiation due to cave-in or falling earth
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockOther and unspecified effects of external causes

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Asphyxia, asphyxiation(by)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code T71.21 for Asphyxiation due to cave-in or falling earth | HealthAssure