Y35.122 Legal intervention involving injury by explosive shell, bystander injured

ICD-10-CM Code Y35.122: Legal intervention involving injury by explosive shell, bystander injured

ICD-10-CM code Y35.122 represents an injury or poisoning concept specifically describing legal intervention involving injury by explosive shell where a bystander is injured. Public health surveillance literature defines legal intervention deaths as those where a decedent is killed by or dies as a result of law enforcement action, and tracks these incidents separately from suicides and homicides. 2 3 4

Plain-language overview

Code Y35.122 is assigned the preferred name "Legal intervention involving injury by explosive shell, bystander injured" and is classified under the semantic type of injury or poisoning. 4

What this code represents

The code Y35.122 is listed alongside Y35.121, which is labeled "Legal intervention involving injury by explosive shell, law" within the same coding hierarchy. 3

Public health surveillance materials define a legal intervention death as a death in which the decedent was killed by or died as a result of law enforcement action. 2

Documentation considerations

The National Violent Death Reporting System coding manual specifies that the "PrecipitatedByOtherCrime" field must be checked for all incidents involving legal intervention. 2

What the sources add

The National Violent Death Reporting System coding manual distinguishes legal intervention deaths from suicides and homicides within its case definitions, whereas the ICD-10-CM semantic resources define the specific clinical concept and preferred name for Y35.122. 2 4

The ICD-10-CM semantic explorer establishes the exact code label and injury classification for Y35.122, while the public health surveillance manual provides operational context on how legal intervention incidents are categorized and tracked in violent death reporting. 3 2

Coverage and utilization context

The available public source excerpts establish the code definition and public health tracking context for Y35.122, but they do not contain payer-specific coverage guidelines or reimbursement rules for this diagnosis. 2 4

Questions to verify

The supplied sources do not specify whether Y35.122 is a billable code for specific encounter types, nor do they detail the exact clinical documentation elements needed beyond the bystander and explosive shell parameters. 3 4

Sources

1. PDF — wwwnc.cdc.gov; accessed 2026-07-25.
2. national violent death reporting system web coding manual — cdc.gov; accessed 2026-07-25.
3. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-25.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-25.