Is ICD-10-CM code Y35 billable?

No, Y35 (Legal intervention) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code Y35 belong to?

Y35 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

Y35Not billable, use a more specific code below

Legal intervention

In Legal intervention, operations of war, military operations, and terrorism (Y35-Y38), chapter 20: External Causes of Morbidity

276 billable codes under Y35: none are a CC or MCC; none map to an HCC.

Instructional notes

Includes: conditions that are coded here

any injury sustained as a result of an encounter with any law enforcement official, serving in any capacity at the time of the encounter, whether on-duty or off-duty. Includes: injury to law enforcement official, suspect and bystander

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.

General External Cause Coding Guidelines (page 88)
Place of Occurrence Guideline (page 89)
Activity Code (page 89)
Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
If the Reporting Format Limits the Number of External Cause Codes (page 90)
Multiple External Cause Coding Guidelines (page 90)
Child and Adult Abuse Guideline (page 90)
Unknown or Undetermined Intent Guideline (page 91)

Read Section I.C.20 (page 87), 3 more topics

All codes under Y35

Y35 can't be used on a claim. Pick a billable code below; grey headings group them.

Y35 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to Y35

Notes on these codes point to Y35.

X92-Y09 Excludes1: injuries due to legal intervention (Y35.-)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.