ICD-10-CM 2027 diagnosis code

Y36.511War operations involving direct blast effect of nuclear weapon, civilian

Not billable — use a more specific codeRequires 7th character

Y36.511 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.Short description: War op w direct blast effect of nuclear weapon, civilian

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About Y36.511

Y36.511 is the ICD-10-CM diagnosis code for war operations involving direct blast effect of nuclear weapon, civilian. It belongs to category Y36 (operations of war), block Y35-Y38 (legal intervention, operations of war, military operations, and terrorism) and chapter 20 (external causes of morbidity). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within Y36.51 (war operations involving direct blast effect of nuclear weapon), Y36.511 is specifically for war operations involving direct blast effect of nuclear weapon, civilian. Related codes cover military personnel (Y36.510).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

7th character

The appropriate 7th character is to be added to each code from category Y36

Ainitial encounterY36.511A
Dsubsequent encounterY36.511D
SsequelaY36.511S

Notes that apply from higher levels

Instructions written at a parent level also apply to Y36.511.

› From Y36 Operations of war

Includes

injuries to military personnel and civilians caused by war, civil insurrection, and peacekeeping missions

Excludes1

injury to military personnel occurring during peacetime military operations (Y37.-)
military vehicles involved in transport accidents with non-military vehicle during peacetime (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)

Broader instructions also apply from Chapter 20: External causes of morbidity.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about Y36.511

Is Y36.511 billable?: No. Y36.511 is a header code. Report one of its more specific subcodes instead.