Contusion of left back wall of thorax, sequela

This code describes the long-term effects or complications arising from a past contusion (bruise) to the posterior aspect of the left thoracic cage. This could include persistent pain, scarring, nerve damage, or functional limitations that are a direct result of the original injury. It signifies that the initial acute injury has resolved, but its lasting impact continues to affect the patient.

Use this code when documenting a patient presenting with ongoing symptoms or conditions directly attributable to a previous contusion of the left back wall of the thorax. This applies to follow-up encounters where the sequelae are being managed, rather than the initial acute injury. It is appropriate when the original injury occurred at least a year prior, or when the acute phase has definitively passed and residual effects are being treated.

• Always code the acute injury first if the patient is still in the active treatment phase of the initial contusion.
• Ensure documentation clearly links the current symptoms or condition to the previous left back wall thoracic contusion.
• Consider additional codes for specific sequelae, such as chronic pain (e.g., G89.29) or scar formation (e.g., L90.5), if clinically appropriate and documented.