Pnctr w/o fb of l bk wl of thorax w/o penet thor cav, subs

This code describes a clean puncture wound, meaning it does not contain a foreign object, located on the left posterior aspect of the chest wall. Importantly, the wound does not extend into the thoracic cavity itself. The "D" suffix indicates this is a subsequent encounter, meaning the patient is receiving follow-up care for an injury that has already been initially treated.

Use this code for follow-up visits related to a puncture wound on the left back of the thorax that did not penetrate the chest cavity. This would include scenarios like wound checks, dressing changes, or evaluation of healing progress after the initial treatment. It is appropriate when the wound is still actively being managed but is not in the initial acute phase.

• Ensure the documentation clearly specifies "left back wall of thorax" and explicitly states "without penetration into thoracic cavity."
• Verify that the encounter is for follow-up care, not the initial treatment of the injury, to justify the "D" suffix.
• Confirm the absence of a foreign body; if present, a different code would be required.