D0310Sialography
2026 Billing Guide
A diagnostic procedure covering sialography for dental evaluation and treatment planning.
What This Code Covers
D0310 covers sialography. This diagnostic procedure provides clinical data that supports treatment planning and care coordination. Proper documentation of findings is essential for both clinical records and insurance claims.
Billing Guide
Bill this code when:
- The procedure described by D0310 is performed and documented
- The clinical indication supports the procedure
- Documentation meets the payer's requirements for the service
Do not bill this code when:
- A different procedure was actually performed
- The procedure is included in another code being billed at the same visit
- Documentation does not support the medical necessity of the procedure
- The procedure is better described by D0320 (Temporomandibular joint arthrogram, including inje...)
Insurance and Denial Prevention
Key Payer Rules:
- Most plans cover diagnostic procedures under the diagnostic benefit category
- Frequency limits may apply for imaging codes (e.g., panoramic every 3-5 years, bitewings every 6-12 months)
- Some advanced imaging (CBCT, MRI) may require prior authorization
Common Denials and How to Respond:
- Frequency exceeded - Verify the payer's frequency schedule. Submit documentation of the clinical need if requesting an exception.
- Not medically necessary - Include the clinical indication and explain why this specific diagnostic procedure was required.
- Bundled with another procedure - Verify that the payer does not consider this code inclusive of another service billed on the same date.
Claim Submission Checklist
0/4 completeFrequently Asked Questions
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Explore Related Codes
Codes commonly billed alongside or often confused with this procedure.
Temporomandibular Joint Arthrogram, Including Injection
A diagnostic procedure covering temporomandibular joint arthrogram, including injection for dental evaluation and treatment planning.
Other Temporomandibular Joint Radiographic Images, by Report
Covers the capture and/or interpretation of other temporomandibular joint radiographic images, by report used for dental diagnosis and treatment planning.
Tomographic Survey
A diagnostic procedure covering tomographic survey for dental evaluation and treatment planning.
Panoramic Radiographic Image
A full-mouth panoramic X-ray showing all teeth, jaws, sinuses, and TMJ areas in a single image.