Y37.521S – Military operations involving indirect blast effect of nuclear weapon, civilian, sequela
ICD-10-CM 2027 diagnosis code · Legal intervention, operations of war, military operations, and terrorism
- Code
Y37.521S(claims format:Y37521S)- Description
- Military operations involving indirect blast effect of nuclear weapon, civilian, sequela
- Short description
- Milt op w indir blast effect of nuclear weapon, civ, sequela
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
- Y37 › Y37.5 › Y37.52 › Y37.521
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Y37 – Military operations
- injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
- 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.-)
- The appropriate 7th character is to be added to each code from category Y37
Y37.5 – Military operations involving nuclear weapons
- Military operation involving dirty bomb NOS
Y37.52 – Military operations involving indirect blast effect of nuclear weapon
- Military operations involving being thrown by blast of nuclear weapon
- Military operations involving being struck or crushed by blast debris of nuclear weapon
Related codes in Y37.521
Frequently asked questions
What is ICD-10 code Y37.521S?
Y37.521S is the ICD-10-CM code for military operations involving indirect blast effect of nuclear weapon, civilian, sequela, in the block Y35-Y38 (Legal intervention, operations of war, military operations, and terrorism).
Is Y37.521S a billable code?
Yes. Y37.521S is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Y37.521S belong to?
It belongs to category Y37 – Military operations.
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.