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2025 CPT code 77401

Radiation treatment delivery using superficial and/or orthovoltage, per day.

Code 77401 is reported once per treatment session. It represents the technical component only and should not be reported with codes representing the professional component. Do not report this code for radiation treatment delivery with megavoltage beams.

Modifiers may be applicable to 77401 in certain situations, such as reduced services (modifier 52) or discontinued procedures (modifier 53). Refer to current CPT guidelines for appropriate modifier usage.

Medical necessity for 77401 must be supported by documentation of a diagnosed condition requiring superficial or orthovoltage radiation therapy. The medical record should demonstrate that the treatment is appropriate for the patient's condition and that alternative treatments were considered, if applicable.

The clinical responsibility for this code includes positioning the patient, delivering the radiation beam to the targeted area using an external radiation source with superficial and/or orthovoltage energy levels.This service is typically provided by a radiation therapist.

In simple words: This code covers the technical part of giving radiation therapy using low-energy x-rays that don't go deep into the body. It's typically used for treating skin conditions or cancers close to the surface.It's billed for each day you get this treatment.

This code represents the technical component of delivering radiation treatment using superficial and/or orthovoltage. This involves aiming low-energy X-ray beams at the targeted treatment area.It is reported once per treatment session and does not include physician work. This treatment is typically used for skin lesions or superficial tumors.

Example 1: A patient receives superficial radiation therapy for a basal cell carcinoma on their nose., A patient with Bowen's disease on their arm undergoes orthovoltage radiation therapy., A patient receives superficial radiation therapy for a small, localized skin cancer on their leg.

Documentation should include the area treated, the type of radiation used (superficial or orthovoltage), the total dose delivered, the number of treatments, and the daily treatment time.Any related procedures, such as simulation or port films, should also be documented.

** When reporting 77401 alone, evaluation and management services, if performed, may be reported separately with the appropriate E/M codes.For a course of superficial treatment, a single simulation code may be reported for the initial setup.

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