ICD-10-CM · FY 2026 APRIL UPDATE

Y37.5

Military operations involving nuclear weapons

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
Y37.50	Military operations involving unspecified effect of nuclear weapon	Category
Y37.500	Military operations involving unspecified effect of nuclear weapon, military personnel	Category
Y37.500A	Military operations involving unspecified effect of nuclear weapon, military personnel, initial encounter	Billable
Y37.500D	Military operations involving unspecified effect of nuclear weapon, military personnel, subsequent encounter	Billable
Y37.500S	Military operations involving unspecified effect of nuclear weapon, military personnel, sequela	Billable
Y37.501	Military operations involving unspecified effect of nuclear weapon, civilian	Category
Y37.501A	Military operations involving unspecified effect of nuclear weapon, civilian, initial encounter	Billable
Y37.501D	Military operations involving unspecified effect of nuclear weapon, civilian, subsequent encounter	Billable
Y37.501S	Military operations involving unspecified effect of nuclear weapon, civilian, sequela	Billable
Y37.51	Military operations involving direct blast effect of nuclear weapon	Category
Y37.510	Military operations involving direct blast effect of nuclear weapon, military personnel	Category
Y37.510A	Military operations involving direct blast effect of nuclear weapon, military personnel, initial encounter	Billable
Y37.510D	Military operations involving direct blast effect of nuclear weapon, military personnel, subsequent encounter	Billable
Y37.510S	Military operations involving direct blast effect of nuclear weapon, military personnel, sequela	Billable
Y37.511	Military operations involving direct blast effect of nuclear weapon, civilian	Category
Y37.511A	Military operations involving direct blast effect of nuclear weapon, civilian, initial encounter	Billable
Y37.511D	Military operations involving direct blast effect of nuclear weapon, civilian, subsequent encounter	Billable
Y37.511S	Military operations involving direct blast effect of nuclear weapon, civilian, sequela	Billable
Y37.52	Military operations involving indirect blast effect of nuclear weapon	Category
Y37.520	Military operations involving indirect blast effect of nuclear weapon, military personnel	Category
Y37.520A	Military operations involving indirect blast effect of nuclear weapon, military personnel, initial encounter	Billable
Y37.520D	Military operations involving indirect blast effect of nuclear weapon, military personnel, subsequent encounter	Billable
Y37.520S	Military operations involving indirect blast effect of nuclear weapon, military personnel, sequela	Billable
Y37.521	Military operations involving indirect blast effect of nuclear weapon, civilian	Category
Y37.521A	Military operations involving indirect blast effect of nuclear weapon, civilian, initial encounter	Billable
Y37.521D	Military operations involving indirect blast effect of nuclear weapon, civilian, subsequent encounter	Billable
Y37.521S	Military operations involving indirect blast effect of nuclear weapon, civilian, sequela	Billable
Y37.53	Military operations involving thermal radiation effect of nuclear weapon	Category
Y37.530	Military operations involving thermal radiation effect of nuclear weapon, military personnel	Category
Y37.530A	Military operations involving thermal radiation effect of nuclear weapon, military personnel, initial encounter	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.