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2025 CPT code 69105

Biopsy of the external auditory canal.

Modifier 51 may be appended for multiple biopsies performed during the same encounter.For biopsies of the external ear structures, such as the earlobe, helix, or auricle, use code 69100.

Modifiers are applicable to this code.Modifier 51 is used for multiple procedures.

Medical necessity for 69105 is established when a biopsy is required to evaluate a lesion or abnormality within the external auditory canal to determine its nature (e.g., benign vs. malignant) and guide appropriate treatment.

The physician is responsible for preparing and anesthetizing the patient, choosing the appropriate biopsy technique, removing the lesion, applying an antibiotic and dressing, observing the patient post-procedure, and sending the specimen to the laboratory for analysis.

In simple words: The doctor takes a small sample of tissue from your ear canal. This sample is then sent to a lab to check if it is cancerous or not.

Surgical removal of a portion or all of abnormal tissue from the external auditory canal (the part of the ear between the outer opening and the eardrum) for laboratory analysis to determine whether the lesion is malignant or benign.The procedure typically involves prepping and anesthetizing the patient, usually with local anesthetic. The provider then selects a technique to remove the lesion, either shaving it off or incising around it and removing it with a scalpel.Sutures are typically not required. The site is dressed, and an antibiotic is applied.The patient is observed briefly and then released.The specimen is sent to the laboratory for analysis.

Example 1: A patient presents with a suspicious lesion in the ear canal. A biopsy (69105) is performed to determine if the lesion is cancerous., A patient with recurrent otitis externa has a persistent area of inflammation. A biopsy (69105) is taken to rule out malignancy and guide further treatment., A patient has a growth in their ear canal causing hearing difficulty.The provider performs a biopsy (69105) to determine the nature of the growth.

Documentation should include the location and description of the lesion, the biopsy technique used, any complications, and post-procedure instructions given to the patient. A pathology report documenting the results of the biopsy should also be included in the medical record.

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