Unsp opn wnd abd wall, left flank w/o penet perit cav, sqla

This code signifies a long-term complication or late effect stemming from an open wound located on the left flank of the abdominal wall. The original injury did not extend into the peritoneal cavity. The specific nature of the original open wound is not documented.

This code is appropriate when documenting a patient presenting for treatment of a residual condition or chronic problem directly resulting from a past open wound to the left flank, where the initial wound did not penetrate the peritoneum. Examples include chronic pain, scarring, or nerve damage attributed to the original injury. This code should be used after the initial healing of the acute injury.

• Always assign a sequela code (ending in 'S') as a secondary diagnosis, following the code for the sequela itself.
• Ensure documentation clearly links the current condition to a previous open wound of the left flank.
• Verify that the original wound was explicitly documented as not penetrating the peritoneal cavity.