ICD10BillableValid for clinical use

ICD-10 Code Y37.A2: High level blast overpressure in military operations

Y37.A2 is a billable ICD-10 diagnosis code used to classify High level blast overpressure in military operations in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for External causes of morbidity (V00-Y99).

When is it used?

  • May be used when a clinician documents high level blast overpressure in military operations in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
20External causes of morbidity (V00-Y99)
block
Y35-Y38Legal intervention, operations of war, military operations, and terrorism
category
Y37Military operations
category
Y37.ABlast overpressure in military operations
currentY37.A

Official coding notes

Inclusion terms
  • High level blast overpressure due to explosion in military operations
  • HLB overpressure in military operations

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Coding guidelines

Common synonyms

High level blast overpressure in military operations

Frequently asked questions

Code details

CodeY37.A2
SystemICD10
Display nameHigh level blast overpressure in military operations
ChapterExternal causes of morbidity (V00-Y99)
BlockLegal intervention, operations of war, military operations, and terrorism

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Y37.A2 for High level blast overpressure in military operations | HealthAssure