2025 CPT code 96921
(Revised) Effective Date: N/A Revision Date: N/A Medicine - Special Dermatological Procedures Medicine Services and Procedures Feed
Excimer laser treatment for psoriasis covering 250-500 sq cm.
Modifiers 22 (increased procedural services), 51 (multiple procedures), 52 (reduced services), 59 (distinct procedural service), and others may be applicable depending on the clinical circumstances.Refer to the CPT manual for guidance on modifier usage.
Medical necessity is established by the presence of psoriasis and the clinical judgment that excimer laser treatment is appropriate based on the severity and extent of the disease.The documentation must support this clinical judgment.
The physician or qualified healthcare professional prepares the patient, operates the excimer laser, and ensures proper dosage and treatment area coverage for psoriasis management.
- Medicine Services and Procedures
- Medicine Services and Procedures > Special Dermatological Procedures
In simple words: This code describes a treatment for psoriasis using a special ultraviolet laser.The laser light is applied to a skin area between 250 and 500 square centimeters.
This CPT code represents the use of an excimer (ultraviolet) laser to treat psoriasis.The treatment area covered ranges from 250 to 500 square centimeters. The procedure involves preparing the patient, exposing the affected area to ultraviolet light from the excimer laser, and moving the handpiece to distribute the laser light at the appropriate dose for psoriasis treatment.
Example 1: A patient with moderate plaque psoriasis affecting an area of 300 sq cm on their back receives excimer laser treatment. This would be coded as 96921., A patient with psoriasis affecting both knees and elbows, with a total affected area of 450 sq cm, undergoes excimer laser therapy.Code 96921 would apply., A patient with severe psoriasis affecting a large area of their leg requires treatment in multiple sessions. Each session covering an area between 250 and 500 sq cm will be billed separately using code 96921,depending on the area treated in each session.
Complete medical history, physical examination findings focusing on psoriasis, the total treatment area measured and documented (in sq cm), and details on the excimer laser settings used.Pre- and post-treatment photos might be beneficial for tracking progress.
** The use of this code necessitates careful measurement of the treatment area to ensure accurate billing.Always refer to the current CPT codebook for the most up-to-date information and guidelines.
- Revenue Code: P6A (Minor Procedures - Skin)
- Payment Status: Active
- Modifier TC rule: Not applicable to this code.
- Specialties:Dermatology
- Place of Service:Office, Outpatient Hospital, Ambulatory Surgical Center