Non-Billable / Non-Specific Code
ICD-10-CM Y36.4 is the diagnosis code for War operations involving firearm discharge and other forms of conventional warfare. This code falls under the section "Legal intervention, operations of war, military operations, and terrorism" within Chapter 20 — External causes of morbidity (V00-Y99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where Y36.4 sits in the ICD-10-CM classification helps ensure proper coding:
No, Y36.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Y36.4 is the ICD-10-CM diagnosis code for "War operations involving firearm discharge and other forms of conventional warfare". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Y36.4 is Y36 ("Operations of war"). Y36.4 provides a more specific classification within this category.
Y36.4 is located in Section Y35-Y38 — "Legal intervention, operations of war, military operations, and terrorism" within Chapter 20 of the ICD-10-CM Tabular List.
Y36.4 has 8 sub-code(s) that provide more specific detail: Y36.41, Y36.42, Y36.43, Y36.44, Y36.45 and more.
Use Y36.4 when the patients documented diagnosis matches "War operations involving firearm discharge and other forms of conventional warfare" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for War operations involving firearm discharge and other forms of conventional warfare is Y36.4.
No, Y36.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Y36.4 is in Chapter 20 of the ICD-10-CM Tabular List.
Yes, Y36.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.