Child codes

• Y37.440 – Military operations involving unarmed hand to hand combat, military personnel
• Y37.441 – Military operations involving unarmed hand to hand combat, civilian

Sibling codes

• Y37.41 – Military operations involving rubber bullets
• Y37.42 – Military operations involving firearms pellets
• Y37.43 – Military operations involving other firearms discharge
• Y37.45 – Military operations involving combat using blunt or piercing object
• Y37.46 – Military operations involving intentional restriction of air and airway
• Y37.47 – Military operations involving unintentional restriction of air and airway
• Y37.49 – Military operations involving other forms of conventional warfare

Excludes1

• military operations involving combat using blunt or piercing object (Y37.45-)
• military operations involving intentional restriction of air and airway (Y37.46-)
• military operations involving unintentional restriction of air and airway (Y37.47-)

Inherited from Y37: Military operations