Y37.A1
⚠ Non-billable (Header)Low level blast overpressure in military operations
External causes of morbidity (V00-Y99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
- • military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
- • military watercraft involved in water transport accident with civilian watercraft (V94.81-)
- • war operations (Y36.-)
Child Codes (3)
Clinical Description
ICD-10-CM code Y37.A1 represents low level blast overpressure in military operations. This code falls under the External causes of morbidity (V00-Y99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under Y37.A1. Coders should note that Y37.A1 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code Y37.A1?
ICD-10-CM code Y37.A1 is "Low level blast overpressure in military operations". It belongs to the category: External causes of morbidity (V00-Y99).
Is Y37.A1 a billable ICD-10 code?
No, Y37.A1 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with Y37.A1?
Y37.A1 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in Y37.A
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)