CPT 96920: Excimer Laser Treatment for Psoriasis, <250 sq cm
CPT code 96920 represents excimer (ultraviolet) laser treatment for psoriasis involving a total treatment area of less than 250 square centimeters. This procedural code captures a targeted phototherapy option used in dermatology to treat limited areas of inflammatory skin disease. Nationally, the code is relevant as clinicians and payers assess access to device-based psoriasis therapies alongside topical and systemic treatments.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. Readers will find an overview of clinical context for excimer laser therapy, typical sites of service, and how 96920 relates to adjacent volume-based codes for larger treatment areas. The publication outlines commonly used ICD-10 diagnoses associated with the service, common modifiers and billing considerations, and the professional taxonomies most likely to bill for this service (dermatology and related specialties).
The report provides benchmarks and coding relationships by treatment area size, noting related CPT codes for 250–500 sq cm and over 500 sq cm to guide accurate code selection. It also summarizes payer coverage patterns and coding guidance that affect claim submission and reimbursement processes. The content is intended to inform coding staff, dermatology clinicians, and revenue cycle professionals about the clinical and billing characteristics of excimer laser treatment coded with 96920.
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Billing Code Overview
CPT code 96920 describes the use of an excimer (ultraviolet) laser to treat the inflammatory skin disease psoriasis for a total treatment area of less than 250 square centimeters. The procedure is a targeted phototherapy intervention delivered by a qualified clinician using an excimer laser device.
Service type: Laser phototherapy for inflammatory skin disease (psoriasis)
Typical site of service: Dermatology clinic or outpatient dermatology procedure suite
National Reimbursement Benchmarks
Commercial averages sit above Medicare for CPT 96920: Blue-Cross Blue Shield’s mean ($310.40) and BUCA’s mean ($243.10) both exceed Medicare’s mean ($143.80), with BUCA representing a mid-to-high commercial average versus Medicare’s lower reimbursements. Blue Cross Blue Shield’s median ($291.20) and UnitedHealth Group’s median ($174.70) further highlight commercial variance above the Medicare central value.
Dispersion (P75−P25) highlights where rates concentrate or spread. Blue Cross Blue Shield shows the widest interquartile spread at $138.20 ($379.60−$241.40), followed by UnitedHealth Group at $136.40 ($262.60−$126.20). Cigna’s spread is $139.30 ($226.90−$86.10), and Aetna is tighter at $108.00 ($141.50−$32.20). BUCA’s spread is $138.20 ($307.10−$172.90). Medicare’s interquartile spread is $18.00 ($150−$132), the tightest among payers.