Y36.031D War operations involving explosion of sea-based artillery shell, civilian, subsequent encounter

ICD-10-CM Code Y36.031D: War operations involving explosion of sea-based artillery shell, civilian, subsequent encounter

ICD-10-CM code Y36.031D identifies a civilian injury from a sea-based artillery shell explosion during war operations for a subsequent encounter. The terminology record classifies this concept under Injury or Poisoning. Medicare Secondary Payer documents list this exact diagnosis code among excluded codes for no-fault insurance situations. 1 5

Plain-language overview

The official terminology record for Y36.031D assigns the semantic type of Injury or Poisoning to the concept of war operations involving explosion of sea-based artillery shell, civilian, subsequent encounter. 1

What this code represents

The official display label for Y36.031D is War operations involving explosion of sea-based artillery shell, civilian, subsequent encounter, and the concept carries the semantic type of Injury or Poisoning. 1

In the ICD-10-CM hierarchy, Y36.031D is a narrower concept under the parent code Y36.031, which designates war operations involving explosion of sea-based artillery shell, civilian. 1

Coding details

The terminology record for Y36.031D is active for the 2026 version of ICD-10-CM, and the system confirms this code has narrower concepts within the terminology structure. 1

Documentation considerations

The official terminology record for Y36.031D includes the published abbreviation War op w explosn of sea-based artlry shell, civilian, subs as part of its code entry. 1

Coverage and utilization context

A Medicare Secondary Payer publication includes Y36.031D on a list of excluded ICD-10 diagnosis codes for no-fault situations, placing it within a specific operational context for insurance processing. 5

What the sources add

While the National Cancer Institute record provides the official ICD-10-CM label and hierarchy for Y36.031D, the Medicare Secondary Payer document adds operational context by listing this exact code among excluded diagnoses for no-fault insurance. 1 5

Historical federal sources discuss older coding revisions for marine weapon explosions and terrorism, but only the National Cancer Institute terminology record explicitly defines the target code Y36.031D. 1 2 3 4

Sources

1. ICD-10-CM Y36.031D terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Intermediaries/Carriers — cms.gov; accessed 2026-07-27.
3. SECTION I - INSTRUCTIONS FOR CLASSIFYING THE UNDERLYING CAUSE OF DEATH, 2026 — cdc.gov; accessed 2026-07-27.
4. ICD-9-CM Coordination and Maintenance Committee ... — cdc.gov; accessed 2026-07-27.
5. Pub 100-05 Medicare Secondary Payer — cms.gov; accessed 2026-07-27.