T79.4

ICD-10Non-billable category

Traumatic shock

Official ICD-10-CM descriptor (FY2026)

Traumatic shock

T79.4 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

  • Shock (immediate) (delayed) following injury

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • anaphylactic shock due to adverse food reaction (T78.0-)
  • anaphylactic shock due to correct medicinal substance properly administered (T88.6)
  • anaphylactic shock due to serum (T80.5-)
  • anaphylactic shock NOS (T78.2)
  • electric shock (T75.4)
  • nontraumatic shock NEC (R57.-)
  • obstetric shock (O75.1)
  • postprocedural shock (T81.1-)
  • septic shock (R65.21)
  • shock complicating abortion or ectopic or molar pregnancy (O00-O07, O08.3)
  • shock due to anesthesia (T88.2)
  • shock due to lightning (T75.01)
  • shock NOS (R57.9)

Related codes in T79

Where this code sits

Parent code
T79

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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.

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