Y36.200A War operations involving unspecified explosion and fragments, military personnel, initial encounter

ICD-10-CM Code Y36.200A: War operations involving unspecified explosion and fragments, military personnel, initial encounter

ICD-10-CM code Y36.200A classifies an initial encounter for injuries to military personnel from war operations involving an unspecified explosion and fragments. The concept is active for the 2026 version and falls under the semantic type of Injury or Poisoning. This reference synthesizes official terminology records and historical coding proposals. 1 4

Plain-language overview

Code Y36.200A applies to injuries sustained by military personnel during war operations involving an unspecified explosion and fragments, specifically for the initial encounter. 1

What this code represents

Y36.200A is an active concept in the ICD-10-CM version 2026 and has narrower concepts within the terminology hierarchy, indicating further specificity exists below this code. 1

Coding details

The parent concept for Y36.200A is Y36.200, titled War operations involving unspecified explosion and fragments, military personnel, which lacks the initial encounter specifier. 1

While Y36.200A denotes an initial encounter for military personnel, a related proposal notes that injury codes for war operations by improvised explosive device fragments include injuries to both military personnel and civilians. 1 6

Documentation considerations

Historical proposals to expand external cause codes for military operations were aimed at improving the ability to identify the cause of injuries among the military population and assisting with prevention. 2

During major incidents involving live casualties, maintaining adequate documentation is emphasized by allocating a scribe to each key officer to record all communications from health services personnel. 3

What the sources add

The National Cancer Institute terminology record provides the official preferred name and published abbreviation, while the EVS Explore source confirms the code's semantic type as Injury or Poisoning. 1 4

A historical coordination committee document proposed expanding war operation injury codes to allow more specific identification of causes like fragments from artillery, mortars, and improvised explosive devices. 2 6

Sources

1. ICD-10-CM Y36.200A terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. ICD-9-CM Coordination and Maintenance Committee ... — cdc.gov; accessed 2026-07-27.
3. Responding to a Terrorist Incident — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
4. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
5. EVS Explore — evsexplore.semantics.cancer.gov; accessed 2026-07-27.
6. CMS Manual System - Pub 100-04 Medicare Claims ... — cms.gov; accessed 2026-07-27.