Y35.121A Legal intervention involving injury by explosive shell, law enforcement official injured, initial encounter

Billable ICD-10-CM code, FY2026.

Built from Y35.121 with 7th character A (initial encounter).

Applies from Y35 Legal intervention

Includes

• 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

7th character note

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

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to Y35.121A

Back-references to Y35.1

• Type 1 Excludes: W40 Explosion of other materials ("explosion involving legal intervention (Y35.1-)")
• Type 1 Excludes: W40.8 Explosion of other specified explosive materials ("explosion involving legal intervention (Y35.1-)")

Diagnosis Index entries for Y35.121A

• Explosion (accidental) (of) (with secondary fire) › shell (artillery) NEC › in › legal intervention › injuring › law enforcement personnel
• Legal › intervention (by) › explosive (s) › shell › injuring › law enforcement personnel

Nearby codes

• Y35.119A Legal intervention involving injury by dynamite, unspecified person injured, initial encounter
• Y35.119D Legal intervention involving injury by dynamite, unspecified person injured, subsequent encounter
• Y35.119S Legal intervention involving injury by dynamite, unspecified person injured, sequela
• Y35.12 Legal intervention involving injury by explosive shell
• Y35.121 Legal intervention involving injury by explosive shell, law enforcement official injured
• Y35.121A Legal intervention involving injury by explosive shell, law enforcement official injured, initial encounter (this code)
• Y35.121D Legal intervention involving injury by explosive shell, law enforcement official injured, subsequent encounter
• Y35.121S Legal intervention involving injury by explosive shell, law enforcement official injured, sequela
• Y35.122 Legal intervention involving injury by explosive shell, bystander injured
• Y35.122A Legal intervention involving injury by explosive shell, bystander injured, initial encounter
• Y35.122D Legal intervention involving injury by explosive shell, bystander injured, subsequent encounter