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CPT 69100: Excision of External Ear Lesion for Pathology
CPT code 69100 denotes a surgical excision of part of an abnormal lesion on the external ear (such as the earlobe or helix) performed to obtain tissue for pathologic determination of benign versus malignant disease. This code captures a common minor surgical procedure used across dermatology, otolaryngology, and primary care settings when definitive diagnosis requires histologic examination. Nationally, accurate coding of this procedure affects clinical documentation, claims adjudication, and appropriate tracking of skin cancer diagnosis and treatment pathways.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find a concise overview of clinical context, typical sites of service, and payor relevance. The publication outlines benchmarking considerations and coding relationships to related procedures commonly used in external ear care, helping billing professionals and clinicians understand where 69100 fits among excision and removal codes. It also highlights typical clinical indications for the procedure and the specialties most likely to perform it.
This summary is intended for a national audience of clinicians, coding professionals, and policy analysts seeking a clear depiction of the clinical purpose and administrative role of CPT code 69100 without state-specific detail.
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Billing Code Overview
CPT code 69100 describes a surgical excision of abnormal tissue from the external ear for histopathologic analysis. The procedure involves partial removal of an ear lesion—commonly from the earlobe or helix—to obtain tissue for laboratory evaluation to determine whether the lesion is benign or malignant.
Service type: Surgical biopsy/excision of external ear lesion
Typical site of service: Outpatient surgical suite or office-based procedure room
National Reimbursement Benchmarks
National averages show a clear gap between Medicare and BUCA: Medicare’s mean is $96.10 while BUCA’s mean is $346.60, placing BUCA roughly $250.50 above Medicare and reflecting higher commercial average reimbursement for CPT 69100. This spread highlights the distinction between federal program pricing and commercial network levels for this procedure.
Dispersion (P75 minus P25) varies notably across payers. Blue Cross Blue Shield has the widest interquartile spread at $158.70 ($599.80 - $434.10), followed by BUCA at $129.30 ($404.60 - $275.30) and UnitedHealth Group at $89.10 ($175.10 - $83.59). Aetna and Cigna show tighter spreads of $56.00 ($94.00 - $38.00) and $96.10 ($164.00 - $68.90), respectively, indicating more concentrated commercial reimbursement ranges for those payers.