ICD-10-CM diagnosis code
Y37.420S Military operations involving firearms pellets, military personnel, sequela
- Billable
- Yes, a complete code (FY2026)
- Category
- Y37
Encounter (7th character)
This code is for a sequela: a complication or condition that arises as a direct result of the injury. The sequela itself is usually coded first, followed by this code.
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Other codes in Y37
273 complete codes in this category.
- Y37.410SMilitary operations involving rubber bullets, military personnel, sequela
- Y37.411AMilitary operations involving rubber bullets, civilian, initial encounter
- Y37.411DMilitary operations involving rubber bullets, civilian, subsequent encounter
- Y37.411SMilitary operations involving rubber bullets, civilian, sequela
- Y37.420AMilitary operations involving firearms pellets, military personnel, initial encounter
- Y37.420DMilitary operations involving firearms pellets, military personnel, subsequent encounter
- Y37.420SMilitary operations involving firearms pellets, military personnel, sequela
- Y37.421AMilitary operations involving firearms pellets, civilian, initial encounter
- Y37.421DMilitary operations involving firearms pellets, civilian, subsequent encounter
- Y37.421SMilitary operations involving firearms pellets, civilian, sequela
- Y37.430AMilitary operations involving other firearms discharge, military personnel, initial encounter
- Y37.430DMilitary operations involving other firearms discharge, military personnel, subsequent encounter
Documentation tips
- Make sure the note supports every element of the title, “Military operations involving firearms pellets, military personnel, sequela”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to Y37.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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