Diagnostic Casts - CDT Code Guide
Overview
CDT code D0470 refers to diagnostic casts, also known as diagnostic models or study models. These are essential tools in dentistry, used to create a replica of a patient's teeth and oral structures. The procedure involves taking an impression of the patient's mouth, which is then used to produce a plaster or digital model. These models help dental professionals assess the alignment of teeth, plan orthodontic treatments, and evaluate oral health conditions. Diagnostic casts are particularly useful in complex cases where visual examination alone is insufficient. They provide a three-dimensional perspective that aids in comprehensive treatment planning and patient education.
When to Use This Code
- Planning orthodontic treatment for malocclusion
- Evaluating the need for restorative procedures
- Assessing the impact of tooth wear or trauma
- Preparing for complex dental surgeries
- Monitoring changes in oral structures over time
Documentation Requirements
- Detailed patient history and clinical findings
- Clear indication for the need for diagnostic casts
- Date and type of impression material used
- Documentation of the analysis and findings from the casts
- Photographic evidence if applicable
- Patient consent for the procedure
Billing Considerations
When billing for D0470, ensure that the procedure is justified by the patient's clinical needs. Frequency limitations may apply, as some insurance plans cover diagnostic casts only once per treatment phase. Common modifiers include those indicating the specific quadrant or arch involved. Verify with the patient's insurance for coverage specifics, as some plans may require prior authorization.
Related CDT Codes
Frequently Asked Questions
Diagnostic casts are used to create a detailed model of a patient's oral structures, aiding in treatment planning and evaluation.
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