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ICD-10/Y35.99

Y35.99 ICD-10-CM Code: Legal intervention, means unspecified, unspecified person injured

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Legal intervention, means unspecified, unspecified person injured is a non-billable ICD-10-CM category code (Y35.99). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Y35.99 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • 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

Change history

  • FY2020 — 2019-10-01
    Added to the code set
    Legal intervention, means unspecified, unspecified person injured
    FY2020 changes

Verify Before Coding

  • Not billable as written — a more specific code is required: Y35.99XA, Y35.99XD, Y35.99XS.
  • Requires a 7th character. "The appropriate 7th character is to be added to each code from category Y35" Options: Y35.99XA, Y35.99XD, Y35.99XS
  • Principal-diagnosis restriction. External cause of morbidity codes (V, W, X and Y) describe the circumstance that caused an injury, not the condition treated. The Medicare Code Editor rejects them as a principal diagnosis; sequence the injury or condition first and report this code as secondary.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of Y35.99 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • Y35.9 — Legal intervention, means unspecified [Hierarchy]

Referenced by Excludes1 notes (17)

  • X92 — Assault by drowning and submersion [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X92-Y09 — Assault (X92-Y09) [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X93 — Assault by handgun discharge [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X94 — Assault by rifle, shotgun and larger firearm discharge [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X95 — Assault by other and unspecified firearm and gun discharge [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X96 — Assault by explosive material [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X97 — Assault by smoke, fire and flames [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • X98 — Assault by steam, hot vapors and hot objects [Excludes1](via Y35.-): “injuries due to legal intervention (Y35.-)”
  • and 9 more

Nearest codes (40)

  • Y35 — Legal intervention [Sibling]
  • Y35.833A — Legal intervention involving a conducted energy device, suspect injured, initial encounter [Sibling]
  • Y35.833D — Legal intervention involving a conducted energy device, suspect injured, subsequent encounter [Sibling]
  • Y35.833S — Legal intervention involving a conducted energy device, suspect injured, sequela [Sibling]
  • Y35.839 — Legal intervention involving a conducted energy device, unspecified person injured [Sibling]
  • Y35.839A — Legal intervention involving a conducted energy device, unspecified person injured, initial encounter [Sibling]
  • Y35.839D — Legal intervention involving a conducted energy device, unspecified person injured, subsequent encounter [Sibling]
  • Y35.839S — Legal intervention involving a conducted energy device, unspecified person injured, sequela [Sibling]
  • and 32 more

Change history

  • FY2020 — Added to the code set [Change history]

Referenced by Other Codes

Official ICD-10-CM tabular notes on other codes that name Y35.99 or its code family.

17 Excludes1 notes: X92 (via Y35.-), X92-Y09 (via Y35.-), X93 (via Y35.-), X94 (via Y35.-), X95 (via Y35.-), X96 (via Y35.-), X97 (via Y35.-), X98 (via Y35.-), X99 (via Y35.-), Y00 (via Y35.-) and 7 more.

Frequently Asked Questions (FAQ) & Clinical Guidance

Can Y35.99 be billed directly?

No. Y35.99 (Legal intervention, means unspecified, unspecified person injured) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does Y35.99 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category Y35.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Y35.99 in its code family, with their registry titles.

  • Y35.92 — Legal intervention, means unspecified, bystander injured
  • Y35.92XA — Legal intervention, means unspecified, bystander injured, initial encounter
  • Y35.92XD — Legal intervention, means unspecified, bystander injured, subsequent encounter
  • Y35.92XS — Legal intervention, means unspecified, bystander injured, sequela
  • Y35.93 — Legal intervention, means unspecified, suspect injured
  • Y35.93XA — Legal intervention, means unspecified, suspect injured, initial encounter
  • Y35.93XD — Legal intervention, means unspecified, suspect injured, subsequent encounter
  • Y35.93XS — Legal intervention, means unspecified, suspect injured, sequela
  • Y35.99XA — Legal intervention, means unspecified, unspecified person injured, initial encounter
  • Y35.99XD — Legal intervention, means unspecified, unspecified person injured, subsequent encounter

View all codes in the Y35 family

Indexed As (1)

Circumstance phrases from the official ICD-10-CM External Cause of Injuries Index that map to this code.

  • Legal, intervention (by), injuring, unspecified person