S90.02 Contusion of left ankle

ICD-10-CM Diagnosis Code S90.02: Contusion of left ankle

ICD-10-CM code S90.02 identifies a contusion of the left ankle and is an active terminology concept within the Injury or Poisoning semantic category. The code is a narrower concept under the parent code for ankle contusion. This reference summarizes official terminology records and clinical literature regarding ankle injuries. 1 2

Plain-language overview

ICD-10-CM code S90.02 is an active diagnosis concept representing a contusion of the left ankle, classified under the semantic type of Injury or Poisoning. 1

What this code represents

The diagnosis code S90.02 represents a contusion of the left ankle and exists as a narrower concept beneath the parent code S90.0 for contusion of ankle. 1

Coding details

The terminology record for S90.02 lists no narrower child concepts, and an extended code S90.02XA specifies an initial encounter for a left ankle contusion. 1 3

Documentation considerations

The official terminology record for S90.02 provides the preferred name of contusion of left ankle, which establishes the specific diagnosis and anatomical laterality that the code represents. 1

Clinical context

Ankle injuries can lead to reduced physical activity, diminished endurance, lost participation time, and considerable medical costs according to clinical literature. 2

Clinical literature indicates that the majority of simple ankle sprains heal with non-operative treatment, though no consensus exists on the ideal rehabilitation protocol. 2

What the sources add

While the official terminology record defines the exact diagnosis code for a left ankle contusion, the clinical review article provides operational context regarding the consequences and management of ankle injuries. 1 2

The official terminology record establishes the code hierarchy and active status, whereas the clinical review article examines injury mechanisms, diagnostics, and treatment for ankle injuries. 1 2

Questions to verify

Reviewers can verify whether the assigned code S90.02 matches the official terminology record's preferred name for a left ankle contusion and its active status. 1

Sources

1. ICD-10-CM S90.02 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Football injuries of the ankle: A review of injury mechanisms, diagnosis and management — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.