ICD-10-CM Y36 is the diagnosis code for Operations of war. 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.
The following conditions should never be coded at the same time as Y36. They are mutually exclusive:
Understanding where Y36 sits in the ICD-10-CM classification helps ensure proper coding:
No, Y36 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Y36 is the ICD-10-CM diagnosis code for "Operations of war". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Y36 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 has 11 sub-code(s) that provide more specific detail: Y36.0, Y36.1, Y36.2, Y36.3, Y36.4 and more.
Use Y36 when the patients documented diagnosis matches "Operations of war" 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 Operations of war is Y36.
No, Y36 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Y36 is in Chapter 20 of the ICD-10-CM Tabular List.
Type 1 Excludes for Y36 include: 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).
Yes, Y36 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.