D9310 Dental Code: Professional Consultation (Billing Guide 2026)

Reviewed by Morgan Heminger · Updated September 23, 2026

What Is D9310? (CDT Code Overview)

CDT code D9310 is the dental code for a consultation: a diagnostic service by a dentist or physician other than the one who requested it, such as a specialist seeing a referred patient. It belongs to the Adjunctive General Services category of CDT codes (Professional Consultation subcategory). It is the ADA code for consultation when another provider asks for your opinion; a consultation with a medical health care professional about a shared patient is D9311.

When Should You Use D9310?

The D9310 dental code applies to consultations performed by dentists or dental specialists. This CDT code is utilized when a patient receives a referral from another dentist or physician seeking a diagnostic evaluation or professional advice about a particular dental condition. It's essential to understand that D9310 isn't meant for standard new patient examinations or informal second opinions without proper referral documentation. This code should be applied in situations where the referring practitioner requests a comprehensive assessment and written report.

Typical situations for D9310 usage include complicated treatment planning, multidisciplinary cases, or instances where a general practitioner needs specialist expertise for difficult diagnoses. Always verify that the consultation meets medical necessity requirements and that referring provider details are properly recorded in the patient record.

Quick reference: Use D9310 when the clinical scenario specifically matches professional consultation. Do not use this code as a substitute for related procedures in the same category. Consider whether D9311 (Medical Professional Consultation) might be more appropriate instead.

D9310 vs. Similar CDT Codes: Key Differences

Dental teams frequently confuse D9310 with other codes in the professional consultation range. Here is how D9310 differs from the most commonly mixed-up codes:

Documentation Requirements for D9310

Accurate documentation is essential for successful D9310 reimbursement. The patient record must contain:

• Referring provider's name and contact details
• Purpose of the consultation request
• Comprehensive narrative of clinical findings, treatment recommendations, and diagnostic procedures completed
• Documentation of the report provided to the referring practitioner

Appropriate clinical situations for D9310 include:

• A periodontal specialist assessing a patient referred by a general practitioner for advanced periodontal therapy planning
• An oral and maxillofacial surgeon consulted for complicated tooth removal or tissue pathology evaluation
• An orthodontic specialist providing diagnostic assessment of bite problems requested by a children's dentist

Keep in mind that comprehensive examinations (D0150) or focused examinations (D0140) are not appropriate substitutes for D9310 when an actual consultation takes place.

Documentation checklist for D9310:

• Patient chief complaint and relevant medical/dental history clearly recorded.
• Clinical findings that support the use of D9310 specifically (not a more general or more specific code).
• Any diagnostic tests, imaging, or supplementary data that justify the procedure.
• Treatment plan with rationale connecting the diagnosis to the procedure coded as D9310.
• Post-procedure notes, including outcomes and follow-up recommendations.

For a deeper look at documentation best practices, see our guide on 6 Dental Hygienist Charting Mistakes that Cause Claim Denials.

Insurance and Billing Guide for D9310

To optimize D9310 reimbursement, implement these strategies:

• Confirm benefits: Many dental insurance plans don't include consultation coverage. Verify patient eligibility and benefits prior to scheduling.
• Include supporting materials: Submit referral documentation, consultation notes, and relevant diagnostic materials with the claim.
• Ensure accurate provider data: Verify that both referring and consulting provider information is correct on claim submissions.
• Challenge claim rejections: When claims are denied, examine the Explanation of Benefits and file appeals with additional supporting evidence when appropriate.
• Prevent duplicate billing: Avoid submitting D9310 with other examination codes for the same appointment unless payer policies specifically permit this.

Maintaining proactive benefit verification and comprehensive documentation helps minimize Accounts Receivable delays and increases claim approval rates.

Common denial reasons for D9310: Lack of clinical documentation, frequency limitations exceeded, code mismatch with diagnosis, or missing prior authorization. When appealing a denied D9310 claim, include a detailed narrative explaining why the procedure was necessary, supporting clinical evidence, and relevant imaging or test results. Many practices find that well-documented first submissions dramatically reduce the need for appeals.

What major payers publish about D9310:

• Delta Dental of Virginia does not allow a separate consultation fee when the same office also bills an exam or evaluation, and denies consultations tied to non-covered services (Delta Dental of Virginia Participating Dentists' Handbook, 2026).
• Delta Dental of Virginia pays D9310 when a dentist gives an opinion on a specific problem at the request of another dentist or physician, and counts a covered consultation toward the plan's evaluation frequency limit (Delta Dental of Virginia Participating Dentists' Handbook, 2026).

These are the payers' published policy documents; the patient's own plan can set different frequencies and alternate benefits, so confirm them during insurance verification.

To improve your overall claims workflow, explore How to Avoid Claim Denials with Dental Eligibility Verification.

Real-World Case Example: Billing D9310

A patient presents requiring a procedure consistent with D9310 (professional consultation). The treating dentist documents the clinical findings, performs the procedure as indicated, and records detailed notes including the diagnosis, technique, and outcome. The billing team verifies insurance coverage, submits the claim with D9310 and supporting documentation, and follows up to ensure timely reimbursement. When the initial claim is processed, the practice reviews the Explanation of Benefits and addresses any discrepancies promptly.

Related CDT Codes to D9310

If you are researching D9310, you may also need to reference these related CDT codes in the professional consultation range and beyond:

• D0140: Limited Oral Exam Guide — Learn when to use D0140 and how it differs from D9310.
• D0150: Complete Oral Exam Guide — Learn when to use D0150 and how it differs from D9310.
• D9110: Emergency Pain Treatment — Learn when to use D9110 and how it differs from D9310.
• D9120: Fixed Partial Denture Sectioning — Learn when to use D9120 and how it differs from D9310.
• D9210: Local Anesthesia for Non-Operative Procedures — Learn when to use D9210 and how it differs from D9310.

Frequently Asked Questions About D9310

Is it possible to bill D9310 for telehealth or virtual consultation visits?

D9310 can often be billed for telehealth or virtual consultation visits, though this depends on individual payer policies. You should confirm with the patient's insurance provider whether virtual consultations are covered and determine if specific documentation or modifiers are needed. Always maintain thorough documentation of the consultation type, technology platform used, and keep detailed clinical records just as you would for in-person visits.

Do all dental insurance plans provide reimbursement for D9310?

D9310 consultations are not reimbursed by every dental insurance plan. Coverage differs significantly between payers and individual policies. Certain plans may require preauthorization, written referrals, or may exclude consultation coverage entirely. It's essential to verify the patient's benefits and secure any required approvals prior to service delivery to prevent unexpected claim denials. Always verify with the specific insurance carrier, as policies and coverage rules can vary significantly between payers. Maintaining thorough documentation for D9310 will strengthen your position in any audit or appeal scenario.

Is it appropriate for a general dentist to bill D9310 when consulting with another dentist in the same practice?

D9310 is typically designed for consultations between providers from different specialties or separate practices. Most payers do not support billing D9310 for consultations between general dentists working within the same practice. However, if the consultation involves a specialist within the same group and satisfies all documentation and referral criteria, it might be acceptable. Always consult payer guidelines and thoroughly document the consultation's necessity and specific details.

What is the typical reimbursement range for D9310?

2026 Medicaid fee schedules give a public reference point for D9310: Medi-Cal Dental treats it as a global procedure with no separate fee (Medi-Cal Dental Schedule of Maximum Allowances, July 2026), New York Medicaid pays $30.30 (New York Medicaid dental fee schedule, January 2026), Florida Medicaid pays $26.87 for patients under 21 (Florida AHCA Dental Fee Schedule, January 2026) and Texas Medicaid pays

What is the typical reimbursement range for D9310?

4.58 for patients under 21 (Texas Medicaid (TMHP) THSteps dental fee schedule). Commercial PPO reimbursement depends on the payer contract, your region and network status, so the most reliable number for your practice is the allowed amount on your recent EOBs for D9310.

Does D9310 require prior authorization?

Prior authorization requirements for D9310 depend on the patient's specific insurance plan. Some carriers require advance approval for procedures coded under D9310, while others process claims without it. Best practice is to verify authorization requirements during insurance eligibility checks before the appointment. If prior authorization is required, submit the request with detailed clinical notes and supporting documentation to avoid delays in patient care and claim processing.