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What is the appropriate CPT code for PTK?

  1. 65400

  2. 65450

  3. 66984

  4. 66821

The correct answer is: 65400

The appropriate CPT code for Phototherapeutic Keratectomy (PTK) is indeed the one indicated, which describes procedures used to treat corneal abnormalities, such as opacities or irregularities. The code 65400 specifically pertains to "keratectomy, including the excision of corneal epithelium, without or with optical zone." This procedure is focused on addressing issues affecting the cornea's surface. PTK is performed to remove superficial corneal tissue to improve vision and relieve discomfort. Thus, this code accurately captures the essence of PTK as it emphasizes both the keratectomy aspect and its application to the cornea, which is essential when coding for ophthalmic surgeries. The other codes provided relate to different procedures. Some may focus on other surgical interventions or conditions affecting the eye, but they do not specifically describe the removal of corneal epithelium involved in PTK. Hence, the choice of 65400 aligns perfectly with the definition and purpose of the PTK procedure.