D0394 Digital sub 2 or more images
Also known as: digital subtraction, image subtraction
Digital subtraction radiography comparing two or more radiographic images to enhance visualization of subtle changes and lesions.
In Plain Language
computer comparison of x-rays
Clinical Context
Used to detect early caries, assess alveolar bone changes, and identify subtle pathology by mathematically subtracting sequential images.
RVU Information
CPT D0394 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.
Billing & Documentation
Dental codes (CDT codes) require documentation of the tooth number(s) or area treated, clinical findings, and the procedure performed. Pre-authorization may be required for major restorative, prosthodontic, and oral surgery procedures. Include radiographs when supporting medical necessity.
Specialties
Frequently Asked Questions
What is CPT code D0394?
CPT D0394 (Digital sub 2 or more images) is a D Codes (Dental) code. Digital subtraction radiography comparing two or more radiographic images to enhance visualization of subtle changes and lesions.
Is D0394 covered by dental insurance?
CPT D0394 is a dental procedure code used by Dentistry, Periodontics. Used to detect early caries, assess alveolar bone changes, and identify subtle pathology by mathematically subtracting sequential images. Coverage depends on your dental insurance plan.
When is CPT D0394 used?
Used to detect early caries, assess alveolar bone changes, and identify subtle pathology by mathematically subtracting sequential images.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.