Low level blast overpressure in military operations, subsequent encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Low level blast overpressure in military operations, subsequent encounter

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Y37 Military operations

Seventh character required

The appropriate 7th character is to be added to each code from category Y37

Excludes1 - never coded here

military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
military watercraft involved in water transport accident with civilian watercraft (V94.81-)
war operations (Y36.-)

Includes

injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Military operations > suffocation
Military operations > asphyxiation
Military operations > airway restriction
Military operations > LLB overpressure
Military operations > blast overpressure > low level

Codes in the same group

Code	Description	Status
Y37.A1XA	Low level blast overpressure in military operations, initial encounter	Valid
Y37.A1XS	Low level blast overpressure in military operations, sequela	Valid