Open bite of abdominal wall, l upr q w penet perit cav, init

This code signifies an open wound, such as a stab or gunshot, to the left upper quadrant of the abdomen that has breached the abdominal wall and entered the peritoneal cavity. This indicates a significant injury with potential for damage to internal organs.

Apply this code for initial treatment of a patient presenting with a penetrating open wound to the left upper abdomen, where surgical exploration or imaging confirms entry into the peritoneal space. This is appropriate for the acute phase of injury management.

• Confirm documentation explicitly states "left upper quadrant" and "penetration into peritoneal cavity."
• Ensure this is the patient's first encounter for this specific injury.
• Look for associated organ injuries (e.g., spleen, stomach) to code separately.