Unsp opn wnd abd wall, unsp q w/o penet perit cav, subs

This code signifies an open wound on the abdominal wall, where the specific location (quadrant) is not documented, and it does not extend into the peritoneal cavity. The "D" seventh character indicates that this is a subsequent encounter for care of the healing wound, such as a follow-up visit for dressing changes or wound checks.

Apply this code when a patient presents for ongoing treatment of an open abdominal wall wound, and the medical record lacks specificity regarding the wound's quadrant. This is appropriate for encounters after the initial treatment, where the wound is still healing and not yet fully resolved.

• Ensure documentation clearly states "subsequent encounter" or similar language indicating ongoing care.
• Avoid using this code if the wound's quadrant is specified (e.g., right upper, left lower); instead, select a more specific code.
• Do not use for initial encounters (use A or D for initial) or for sequela (use S for sequela).