AHA Coding Clinic® for HCPCS - 2022 Quarter 4; Ask the Editor
Removal of scar tissue from external auditory canal with split-thickness skin graft
A patient with bilateral inflammation, infection and acquired stenosis of the external ear canal presents for excision of scar tissue and a split-thickness skin graft to the right ear. A postauricular incision was made and the skin and subcutaneous tissue were elevated to the spine of Henle and bony posterior canal where a retractor was placed. Once the canal wall skin was elevated off the underlying bone, the external auditory canal (EAC) was entered posteriorly via an incision and continued anteriorly. The lateral skin and soft tissue of the EAC were elevated over the tympanic bone, while the medial was elevated off the canal wall bone. Soft scar tissue was removed from the meatus and lateral two-thirds of the EAC. A drill was used to create two deep troughs, superior and inferior, exposing the annulus. The anterior canal wall between both troughs was removed and the troughs were connected. A 10x10 cm area on the right thigh was prepared for graft harvesting and a 5x2 cm area of skin was marked. A dermatome was used to harvest the 5x2 cm split-thickness skin graft. The graft was divided in half and placed along the anterior and posterior canal walls. The canal was packed to secure the graft in place. The postauricular incision was closed in a muscular/deep dermal layer and the skin closed in a subcutaneous manner. How is excision of scar tissue from the external auditory canal and split-thickness skin graft reported? Is it appropriate to assign additionally CPT code 15002 for the preparation of the recipient site? ...
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Article Overview
This premium article reviews a surgical case involving acquired narrowing of the external auditory canal with inflammation and infection, focusing on operative steps for scar tissue removal and reconstruction with a split-thickness skin graft. It is relevant to coding and clinical documentation professionals working with otologic surgery, reconstructive procedures, and operative reports that describe canal exposure, scar excision, and graft harvest.
Why This Topic Matters
External auditory canal reconstruction procedures can be difficult to code correctly when the operative note combines disease-related stenosis, scar excision, canal work, and graft harvesting. Understanding the scope of the procedure helps coders and auditors assess documentation for surgical reporting and specialty-specific review.
What You Will Learn
- The clinical context for acquired external auditory canal stenosis and related inflammation or infection
- The general operative components involved in scar tissue removal from the ear canal
- The reconstructive role of split-thickness skin grafting in otologic surgery
- The types of documentation elements that commonly appear in operative reports for ear canal reconstruction
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Otolaryngology staff
- Reimbursement analysts
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