Blister (nonthermal) of left front wall of thorax, subs

Blister (nonthermal) of left front wall of thorax, subsequent encounter

📋Clinical Description

This code describes a non-heat-related blister located on the front left side of the chest wall. This injury is being treated in a follow-up visit, indicating that the initial assessment and treatment have already occurred.

🎯When to Use

Use this code for subsequent encounters when a patient presents for ongoing care, monitoring, or treatment of a blister on the left anterior thoracic wall that was not caused by heat. This includes situations like dressing changes, re-evaluation of healing, or management of complications arising from the initial blister.

💡Coding Tips

Ensure the encounter is truly "subsequent" and not the initial treatment for the blister.
Verify the blister's etiology is nonthermal; if thermal, a different code series is required.
Confirm the precise anatomical location is the left front wall of the thorax.

AI-generated reference — verify against official guidelines

Code Hierarchy

▲S20.322Blister (nonthermal) of left front wall of thorax

S20.322D(current)

Crosswalks

V58.89ApproxICD-9

Same Category

S20Superficial injury of thorax S20.0Contusion of breast S20.00Contusion of breast, unspecified breast S20.00XAContusion of breast, unspecified breast, initial encounter S20.00XDContusion of breast, unspecified breast, subs encntr