ICD-10-CM > V00-Y99 > Y35-Y38 > Y36 > Y36.A > Y36.A1 > Y36.A1XA Y36.A1XA Low level blast overpressure in war operations, initial encounter Billable/Specific Copy Code Copy Description Applicable To LLB overpressure in war operationsLow level blast overpressure due to explosion in war operations