Y35.399D Legal intervention involving other blunt objects, unspecified person injured, subsequent encounter

ICD-10-CM Code Y35.399D: Legal intervention involving other blunt objects, subsequent encounter

ICD-10-CM code Y35.399D is an active terminology concept representing a subsequent encounter for legal intervention involving other blunt objects, with an unspecified person injured. It is classified under the semantic type of Injury or Poisoning and is utilized within the broader framework of external cause-of-injury surveillance. 1 2

Plain-language overview

Code Y35.399D is an active concept with the preferred name Legal intervention involving other blunt objects, unspecified person injured, subsequent encounter, and it carries the semantic type of Injury or Poisoning. 1

What this code represents

The code Y35.399D represents a subsequent encounter for an injury involving legal intervention with other blunt objects, and its parent concept is Y35.399 for an unspecified person injured. 1

Legal intervention deaths are defined as a subtype of homicide where the victim dies as a result of law enforcement acting in the line of duty, excluding legal executions and acts of war. 3

Coding details

The Y35-Y38 code range encompasses legal intervention, operations of war, military operations, and terrorism, and surveillance instructions specify including cases only if the seventh character is A or missing. 2

While Y35.399D specifies a subsequent encounter, injury surveillance guidance for external cause codes in the Y35-Y38 range directs that only cases with a seventh character of A or missing be included for initial encounter tracking. 1 2

Documentation considerations

The terminology record for Y35.399D includes the published abbreviation Legal intrvnt w other blunt objects, unsp person inj, subs, which may appear in coding systems to represent this specific diagnosis. 1

Clinical context

Blunt impact injuries generally classify into four categories: contusion, abrasion, laceration, and fracture, and blunt impact to the body may result in a variety of injuries. 4

What the sources add

The National Cancer Institute terminology record establishes the code's active status and hierarchy, while the Centers for Disease Control and Prevention surveillance instructions place the Y35 code range within external cause-of-injury reporting parameters. 1 2

Sources

1. ICD-10-CM Y35.399D terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. State Injury Indicators: Instructions for Preparing 2022 Data — cdc.gov; accessed 2026-07-27.
3. national violent death reporting system web coding manual — cdc.gov; accessed 2026-07-27.
4. Bookshelf — ncbi.nlm.nih.gov; accessed 2026-07-27.