Abrasion of unspecified back wall of thorax, sequela

This code signifies a superficial injury to the back of the chest wall, specifically an abrasion, that is no longer in its acute phase but is rather a residual effect or complication of the initial injury. This could include scarring, chronic pain, or functional limitations directly attributable to the original abrasion. The exact location on the back wall of the thorax is not specified.

Use this code when documenting a patient presenting with a long-term consequence or late effect stemming from a previously sustained abrasion to the unspecified back wall of the thorax. This applies when the initial injury has healed, but a related condition persists. Examples include chronic pruritus at the site of a healed abrasion or a noticeable scar.

• Always sequence this sequela code after the code for the specific residual condition (e.g., scar, chronic pain).
• Ensure documentation clearly links the current condition to a past abrasion of the back wall of the thorax.
• Avoid using this code for acute abrasions; those require an acute injury code from the S20.41- series.