T71.9

ICD-10Non-billable category

Asphyxiation due to unspecified cause

Official ICD-10-CM descriptor (FY2026)

Asphyxiation due to unspecified cause

T71.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

Suffocation (by strangulation) due to unspecified cause
Suffocation NOS
Systemic oxygen deficiency due to low oxygen content in ambient air due to unspecified cause
Systemic oxygen deficiency due to mechanical threat to breathing due to unspecified cause
Traumatic asphyxia NOS

Related codes in T71

Where this code sits

Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: Other and unspecified effects of external causes (T66-T78)
Parent code: T71

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.