T79.2XXA Traumatic secondary and recurrent hemorrhage and seroma, initial encounter

ICD-10-CM T79.2XXA: Traumatic secondary and recurrent hemorrhage and seroma, initial encounter

ICD-10-CM code T79.2XXA identifies a traumatic secondary and recurrent hemorrhage and seroma during an initial encounter. The concept is classified under the Injury or Poisoning semantic type and falls within the S00-T88 chapter for injury and exposure medicine. This reference summarizes terminology, hierarchy, and documentation context. 1 3 4

Plain-language overview

Code T79.2XXA is an active ICD-10-CM terminology concept representing traumatic secondary and recurrent hemorrhage and seroma for an initial encounter, providing a standardized label for this clinical injury. 1

What this code represents

The terminology record assigns T79.2XXA the semantic type of Injury or Poisoning, establishing the concept within injury classification rather than a general medical condition or external cause. 1 3

T79.2XXA is a narrower concept under the parent code T79.2, which broadly covers traumatic secondary and recurrent hemorrhage and seroma without specifying the encounter type. 1

Coding details

The seventh character A in T79.2XXA specifies an initial encounter, distinguishing it from T79.2XXS, which uses the seventh character S to denote a sequela of the same traumatic condition. 2

Documentation considerations

Clinical documentation for T79.2XXA involves linking the diagnosis to objective findings, the time course of the injury, and the plan of care to support decision continuity from triage through discharge. 4

Clinical context

Etiologies associated with T79.2XXA include external injury forces, therapeutic complications, and exposure events, while the presentation involves activity-triggered symptoms, rest pain, and systemic warning features. 4

The differential diagnosis for T79.2XXA includes condition-specific mimics in injury and exposure medicine alongside high-risk alternatives such as occult fracture, vascular compromise, nerve injury, infection, and referred pain syndromes. 4

What the sources add

Official terminology sources define the code hierarchy and semantic type for T79.2XXA, whereas clinical guide sources add operational context regarding practical documentation, etiologies, and differential diagnosis considerations. 1 4

The official terminology record provides a published abbreviation, traumatic secondary and recurrent hemor and seroma init, alongside the full preferred name to ensure precise identification across different clinical systems. 1

Sources

1. ICD-10-CM T79.2XXA terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
4. Traumatic Secondary And Recurrent Hemorrhage And Seroma, Initial Encounter | ICD-10-CM T79.2XXA Clinical Guide — sprypt.com; accessed 2026-07-27.