S43.50XD Sprain of unspecified acromioclavicular joint, subsequent encounter

ICD-10-CM S43.50XD: Sprain of unspecified acromioclavicular joint, subsequent encounter

ICD-10-CM code S43.50XD is an active terminology concept representing a sprain of an unspecified acromioclavicular joint during a subsequent encounter. It is classified under the semantic type of Injury or Poisoning and is a narrower concept of S43.50. The supplied clinical literature discusses acromioclavicular joint injuries generally but does not define this specific code. 1 2 3

Plain-language overview

The diagnostic label for S43.50XD is a sprain of an unspecified acromioclavicular joint for a subsequent encounter, serving as an active concept within the ICD-10-CM version 2026 terminology system. 1

What this code represents

Code S43.50XD represents a concept possessing the semantic type of Injury or Poisoning, and it exists as a narrower concept beneath the parent code S43.50 for an unspecified acromioclavicular joint sprain. 1

The terminology record for S43.50XD includes an official published abbreviation identifying the condition as a sprain of an unspecified acromioclavicular joint for a subsequent encounter. 1

Coding details

The S43.50XD terminology record confirms the concept is active and possesses narrower child concepts within the hierarchy, while the parent concept is S43.50. 1

Documentation considerations

The official terminology record for S43.50XD establishes the code's preferred name as a sprain of an unspecified acromioclavicular joint, subsequent encounter, but does not specify clinical documentation parameters. 1

Clinical context

Clinical literature establishes that a type I acromioclavicular joint injury involves sprained acromioclavicular ligaments while the joint remains intact, representing one form of such trauma. 2

Managing acromioclavicular joint injuries involves various treatment pathways, where non-operative management shows a lower incidence of complications but is associated with poorer cosmetic outcomes. 2

What the sources add

While the terminology records define the specific code S43.50XD, the clinical manuscript adds operational context regarding acromioclavicular injury management without directly defining the code itself. 1 2

The EVS Explore portal mirrors the core terminology data, confirming the preferred name and the Injury or Poisoning semantic type for code S43.50XD independently of the primary record. 3

Sources

1. ICD-10-CM S43.50XD terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Management of Acromioclavicular Injuries – Current Concepts — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.