ICD-10-CM T79: Certain early complications of trauma, not elsewhere classified

ICD-10-CM Diagnosis Code (2025)

Official Description for T79

Certain early complications of trauma, not elsewhere classified

Coding Notes & Guidelines for T79

Excludes1: Not Coded Here
  • air embolism complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)
  • air embolism complicating pregnancy, childbirth and the puerperium (O88.0)
  • air embolism following infusion, transfusion, and therapeutic injection (T80.0)
  • air embolism following procedure NEC (T81.7-)
Excludes1: Not Coded Here
  • fat embolism complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.2)
  • pregnancy, childbirth and the puerperium (O88.8)
Excludes1: Not Coded Here
  • 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)
Excludes1: Not Coded Here
  • fibromyalgia (M79.7)
  • nontraumatic compartment syndrome (M79.A-)
Excludes2: Not Included Here
  • acute respiratory distress syndrome (J80)
  • complications occurring during or following medical procedures (T80-T88)
  • complications of surgical and medical care NEC (T80-T88)
  • newborn respiratory distress syndrome (P22.0)
Excludes2: Not Included Here
  • anterior tibial syndrome (M76.8)
  • compartment syndrome (traumatic) (T79.A-)
  • nontraumatic ischemia of muscle (M62.2-)
Excludes2: Not Included Here
  • emphysema NOS (J43)
  • emphysema (subcutaneous) resulting from a procedure (T81.82)
Excludes2: Not Included Here

traumatic ischemic infarction of muscle (T79.6)

Inclusion Terms

Shock (immediate) (delayed) following injury

Inclusion Terms
  • Crush syndrome
  • Renal failure following crushing
Inclusion Terms
  • Traumatic rhabdomyolysis
  • Volkmann's ischemic contracture
Inclusion Terms

Compartment syndrome NOS

Inclusion Terms

Traumatic compartment syndrome of shoulder, arm, forearm, wrist, hand, and fingers

Inclusion Terms

Traumatic compartment syndrome of hip, buttock, thigh, leg, foot, and toes

7th Character Guidance

The appropriate 7th character is to be added to each code from category T79

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for T79):

T79.0 - Air embolism (traumatic) T79.1 - Fat embolism (traumatic) T79.2 - Traumatic secondary and recurrent hemorrhage and seroma T79.4 - Traumatic shock T79.5 - Traumatic anuria T79.6 - Traumatic ischemia of muscle T79.7 - Traumatic subcutaneous emphysema T79.8 - Other early complications of trauma T79.9 - Unspecified early complication of trauma T79.A - Traumatic compartment syndrome T79.A0 - Compartment syndrome, unspecified T79.A1 - Traumatic compartment syndrome of upper extremity T79.A11 - Traumatic compartment syndrome of right upper extremity T79.A12 - Traumatic compartment syndrome of left upper extremity T79.A19 - Traumatic compartment syndrome of unspecified upper extremity T79.A2 - Traumatic compartment syndrome of lower extremity T79.A21 - Traumatic compartment syndrome of right lower extremity T79.A22 - Traumatic compartment syndrome of left lower extremity T79.A29 - Traumatic compartment syndrome of unspecified lower extremity T79.A3 - Traumatic compartment syndrome of abdomen T79.A9 - Traumatic compartment syndrome of other sites

About ICD-10-CM Code T79 (Certain early complications of trauma)

ICD-10-CM code T79 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T79 became effective on October 1, 2024.

This page provides detailed information about T79 - Certain early complications of trauma, not elsewhere classified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Certain early complications of trauma related to not elsewhere classified.