Y36.A – Blast overpressure in war operations
ICD-10-CM 2027 diagnosis code · Legal intervention, operations of war, military operations, and terrorism
- Code
Y36.A(claims format:Y36A)- Description
- Blast overpressure in war operations
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- Y35-Y38 Legal intervention, operations of war, military operations, and terrorism
- Parent codes
- Y36
Billable codes under Y36.A
Y36.A is a header code and cannot be used on claims. Choose the most specific code:
- Y36.A1 – Low level blast overpressure in war operationsHeader (more codes below)
- Y36.A2 – High level blast overpressure in war operationsHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for Y36.A
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Y36 – Operations of war
- injuries to military personnel and civilians caused by war, civil insurrection, and peacekeeping missions
- The appropriate 7th character is to be added to each code from category Y36
Related codes in Y36
- Y36.0 – War operations involving explosion of marine weaponsHeader
- Y36.1 – War operations involving destruction of aircraftHeader
- Y36.2 – War operations involving other explosions and fragmentsHeader
- Y36.3 – War operations involving fires, conflagrations and hot substancesHeader
- Y36.4 – War operations involving firearm discharge and other forms of conventional warfareHeader
- Y36.5 – War operations involving nuclear weaponsHeader
- Y36.6 – War operations involving biological weaponsHeader
- Y36.7 – War operations involving chemical weapons and other forms of unconventional warfareHeader
- Y36.8 – War operations occurring after cessation of hostilitiesHeader
- Y36.9 – Other and unspecified war operationsHeader
Frequently asked questions
What is ICD-10 code Y36.A?
Y36.A is the ICD-10-CM code for blast overpressure in war operations, in the block Y35-Y38 (Legal intervention, operations of war, military operations, and terrorism).
Is Y36.A a billable code?
No. Y36.A is a header code with more specific child codes; report one of the billable codes listed above.
What category does Y36.A belong to?
It belongs to category Y36 – Operations of war.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.