Lac w/o fb of l bk wl of thorax w/o penet thor cavity, subs

Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter

📋Clinical Description

This code signifies a cut or tear on the left side of the back of the chest wall that does not involve a foreign object and has not pierced the thoracic cavity. It specifically indicates that the patient is receiving follow-up care for this injury, rather than initial treatment.

🎯When to Use

Apply this code for subsequent encounters when a patient is being seen for ongoing management, wound care, or evaluation of a healing laceration on the left posterior thorax. This includes situations like dressing changes, re-checks, or removal of sutures after the initial treatment has been rendered.

💡Coding Tips

Ensure the documentation clearly specifies "left" side and "back wall of thorax."
Confirm the encounter is for follow-up care, not the initial treatment.
Verify there is no mention of a foreign body or penetration into the thoracic cavity.

AI-generated reference — verify against official guidelines

Code Hierarchy

▲S21.212Lac w/o fb of l bk wl of thorax w/o penet thoracic cavity

S21.212D(current)

Crosswalks

V58.89ApproxICD-9

Same Category

S21Open wound of thorax S21.0Open wound of breast S21.00Unspecified open wound of breast S21.001Unspecified open wound of right breast S21.001AUnspecified open wound of right breast, initial encounter