S82.63XK Displaced fracture of lateral malleolus of unspecified fibula, subsequent encounter for closed fracture with nonunion

ICD-10-CM S82.63XK: Displaced Fracture of Lateral Malleolus, Subsequent Encounter for Closed Nonunion

ICD-10-CM code S82.63XK identifies a displaced fracture of the lateral malleolus of an unspecified fibula during a subsequent encounter for a closed fracture with nonunion. The concept is an active injury or poisoning terminology record with a parent code of S82.63. This reference summarizes official terminology details without providing personal medical advice. 1 2 3

Plain-language overview

Code S82.63XK represents an injury or poisoning concept for a displaced lateral malleolus fracture of an unspecified fibula, documented during a subsequent encounter for a closed fracture with nonunion. 1

What this code represents

The official descriptor for S82.63XK is displaced fracture of lateral malleolus of unspecified fibula, subsequent encounter for closed fracture with nonunion, and the code holds an active record status. 1

Coding details

S82.63XK is a child concept of the parent code S82.63, which is designated as displaced fracture of lateral malleolus of unspecified fibula in the ICD-10-CM terminology. 1

The terminology record includes the published abbreviation disp fx of lateral malleolus of unsp fibula, 7thK, and notes that the concept has narrower concepts within the terminology. 1

Documentation considerations

The official descriptor for S82.63XK specifies a subsequent encounter for a closed fracture with nonunion, and the code is assigned to the semantic type of injury or poisoning. 1

What the sources add

The National Cancer Institute terminology record and the Value Set Authority Center code system both list the identical descriptor for S82.63XK, confirming the official label across distinct domains. 1 3

The EVS Explore portal mirrors the exact code and descriptor for S82.63XK, providing a secondary official access point that aligns with the primary terminology record. 2

Coverage and utilization context

The terminology record for S82.63XK includes the code, descriptor, parent concept, semantic types, and active status, but the supplied excerpts do not contain payer-specific coverage rules. 1 3

Sources

1. ICD-10-CM S82.63XK terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
3. Browse Code Systems — vsac.nlm.nih.gov; accessed 2026-07-27.