T79

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Certain early complications of trauma, not elsewhere classified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

Instructional Notes

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)

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T79Certain early complications of trauma, not elsewhere classified
T79.0Air embolism (traumatic)
T79.1Fat embolism (traumatic)
T79.2Traumatic secondary and recurrent hemorrhage and seroma
T79.4Traumatic shock
T79.5Traumatic anuria
T79.6Traumatic ischemia of muscle
T79.7Traumatic subcutaneous emphysema
T79.8Other early complications of trauma
T79.9Unspecified early complication of trauma
T79.ATraumatic compartment syndrome

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T79:

chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to T79. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Aerodermectasia1 unique routes
subcutaneous (traumatic)→T79
Air2 unique routes
embolism (artery) (cerebral) (any site)→T79(2 variants)
traumatic→T79
Anuria1 unique routes
traumatic (following crushing)→T79
Blood1 unique routes
pressure
decreased, due to shock following injury→T79
Bywaters' syndrome1 unique routes
Direct index entry→T79
Compartment syndrome (deep) (posterior) (traumatic)5 unique routes
Direct index entry→T79
abdomen→T79
lower extremity (hip, buttock, thigh, leg, foot, toes)→T79
specified site NEC→T79
upper extremity (shoulder, arm, forearm, wrist, hand, fingers)→T79
Complication (s) (from) (of)2 unique routes
trauma (early)→T79(2 variants)
specified NEC→T79
Compression1 unique routes
syndrome→T79
Contraction (s), contracture, contracted2 unique routes
muscle (postinfective) (postural) NEC
ischemic (Volkmann's)→T79
Volkmann's (ischemic)→T79
Crush, crushed, crushing1 unique routes
syndrome (complication of trauma)→T79
Decrease (d)2 unique routes
blood
pressure
due to shock following
injury→T79
respiration, due to shock following injury→T79
Disease, diseased1 unique routes
Volkmann's, acquired→T79
Embolism (multiple) (paradoxical)2 unique routes
air (any site) (traumatic)→T79
fat (cerebral) (pulmonary) (systemic)→T79
Emphysema (atrophic) (bullous) (chronic) (interlobular) (lung) (obstructive) (pulmonary) (senile) (vesicular)3 unique routes
cellular tissue (traumatic)→T79
connective tissue (traumatic)→T79
eyelid (s)
traumatic→T79

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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