Pnctr of abd wall w/o fb, l flank with penet perit cav, subs

This code signifies a follow-up encounter for a puncture wound located on the patient's left flank. The injury penetrated through the abdominal wall and into the peritoneal cavity, but without any retained foreign body. This indicates a significant abdominal injury requiring ongoing care.

Apply this code for subsequent encounters when a patient is receiving treatment for a previously diagnosed puncture wound to the left flank that involved peritoneal penetration. This could include follow-up appointments for wound care, infection monitoring, or assessment of healing after initial surgical repair.

• Ensure documentation specifies "left flank" and "peritoneal cavity penetration" for accurate code assignment.
• Verify that the encounter is "subsequent" (D) and not initial (A) or sequela (S).
• Look for documentation of "without foreign body" to differentiate from codes indicating retained objects.