D2750 Dental Code: Porcelain-Fused-to-High-Noble-Metal Crown (Billing Guide 2026)

Reviewed by Morgan Heminger · Updated September 23, 2026

What Is D2750? (CDT Code Overview)

CDT code D2750 is the dental procedure code for a crown made of porcelain fused to high noble metal: the classic PFM crown on a natural tooth, with a gold-based or other high noble alloy under the porcelain. It belongs to the Restorative category of CDT codes (Crowns, Single Restorations Only subcategory). The same crown over a predominantly base metal is D2751, over a noble metal D2752, and over titanium D2753. Billers also search for it as dental code 2750 or the D2750 dental code.

When Should You Use D2750?

The D2750 dental code applies to crown procedures involving porcelain fused to high noble metal materials. This CDT code is appropriate when a tooth needs complete coverage due to significant decay, structural damage, or following endodontic treatment, and a porcelain-fused-to-metal (PFM) crown is selected as the restoration material. This code does not apply to all-ceramic or full-metal crowns, which have separate billing codes. Always confirm the clinical necessity for crown placement and verify that the chosen material corresponds to the code description before submitting claims.

Quick reference: Use D2750 when the clinical scenario specifically matches porcelain-fused-to-high-noble-metal crown. Do not use this code as a substitute for related procedures in the same category. Consider whether D2710 (Resin-Based Crown Billing) or D2712 (3/4 Resin-Based Crown) might be more appropriate instead.

D2750 vs. Similar CDT Codes: Key Differences

Dental teams frequently confuse D2750 with other codes in the crowns (single restorations, cont.) range. Here is how D2750 differs from the most commonly mixed-up codes:

Documentation Requirements for D2750

Thorough documentation is crucial for claim approval and reimbursement. When applying D2750, maintain comprehensive clinical records that detail the crown's necessity (such as large existing restorations, structural compromises, or post-endodontic needs). Supporting materials should include radiographic images showing decay extent or previous work, clinical photographs, and accurate dental charting for claim submission. Typical clinical applications include:

• Teeth with deteriorating large amalgam or composite restorations
• Teeth exhibiting fractures or cracks affecting structural integrity
• Teeth requiring protection following root canal procedures

Maintain clear and readable documentation to minimize claim rejections and establish treatment medical necessity.

Documentation checklist for D2750:

• Patient chief complaint and relevant medical/dental history clearly recorded.
• Clinical findings that support the use of D2750 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 D2750.
• Post-procedure notes, including outcomes and follow-up recommendations.

Insurance and Billing Guide for D2750

Follow these strategies to optimize reimbursement and reduce processing delays:

• Obtain pre-authorization: Send pre-treatment requests to patient insurance carriers including all supporting materials. This establishes coverage details and patient financial responsibility beforehand.
• Check frequency restrictions: Most insurance plans limit crown coverage to once every 5–7 years per tooth. Review patient coverage history to prevent frequency-related denials.
• Write clear narratives: Include detailed clinical justification in claim narratives and reference all attached supporting documents.
• Handle multiple coverage: For patients with dual insurance, ensure proper benefit coordination to optimize reimbursement while avoiding overpayment issues.
• Process claim appeals: When claims are rejected, examine the explanation of benefits for denial reasons, compile missing documentation, and file timely appeals with comprehensive explanations and additional evidence.

Proactive insurance verification and complete documentation practices can substantially improve practice accounts receivable and reduce administrative workload.

Common denial reasons for D2750: Lack of clinical documentation, frequency limitations exceeded, code mismatch with diagnosis, or missing prior authorization. When appealing a denied D2750 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 D2750:

• Aetna covers a crown when the tooth has lost at least half its structure to decay or fracture, has a failing restoration covering at least half the tooth, or has had root canal treatment. Send current dated pre-op X-rays and, for a replacement, the prior placement date and reason; crowns for wear or cosmetic reasons are not covered under most plans (Aetna Claim Documentation Guidelines, July 2025).
• UnitedHealthcare needs a current dated pre-op X-ray of the tooth, the reason for replacing any existing crown, and a narrative or treatment records when decay is not visible on the X-ray. For cracked tooth syndrome, list the diagnostic tests performed (UnitedHealthcare Dental Claim Review Guidelines, January 2026).
• Cigna does not allow a crown when the tooth has a questionable periodontal, endodontic or restorative prognosis, when it is placed only to raise vertical dimension or for cosmetics, or when it is placed only for wear, grinding or erosion without symptoms (Cigna Dental Coverage Determination Guidelines, 2026).
• Delta Dental of Virginia requires a pre-op periapical X-ray with crown claims, denies crowns for children under 12 (the approved amount is collectable from the patient), and makes an alternate benefit for a filling when the tooth could be restored with amalgam or resin (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 Discussing Insurance with Dental Patients: Best Practices.

Real-World Case Example: Billing D2750

A patient presents requiring a procedure consistent with D2750 (porcelain-fused-to-high-noble-metal crown). 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 D2750 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 D2750

If you are researching D2750, you may also need to reference these related CDT codes in the crowns (single restorations, cont.) range and beyond:

• D2140: Amalgam Restoration Guide — Learn when to use D2140 and how it differs from D2750.
• D2150: Two-Surface Amalgam Restoration — Learn when to use D2150 and how it differs from D2750.
• D2330: Anterior Composite Restorations — Learn when to use D2330 and how it differs from D2750.
• D2331: Anterior Composite Restoration — Learn when to use D2331 and how it differs from D2750.
• D2410: Gold Foil Restorations — Learn when to use D2410 and how it differs from D2750.

Frequently Asked Questions About D2750

What qualifies as a high noble metal under D2750 guidelines?

According to the American Dental Association standards, a high noble metal alloy must contain a minimum of 60% noble metals (including gold, platinum, and palladium), with gold comprising at least 40% of the total composition. When billing under D2750, the crown must consist of porcelain bonded to this specific type of high noble metal alloy to satisfy code requirements. Always verify with the specific insurance carrier, as policies and coverage rules can vary significantly between payers. Maintaining thorough documentation for D2750 will strengthen your position in any audit or appeal scenario.

Is D2750 applicable for primary teeth restorations?

The D2750 code is primarily designated for permanent tooth restorations. When treating primary teeth, alternative codes like D2930 for stainless steel crowns are more commonly utilized. It's essential to verify coverage with the patient's dental insurance and consult clinical protocols before finalizing the appropriate code selection. Always verify with the specific insurance carrier, as policies and coverage rules can vary significantly between payers. Maintaining thorough documentation for D2750 will strengthen your position in any audit or appeal scenario.

What is the expected lifespan of a porcelain fused to high noble metal crown?

When maintained with consistent oral hygiene practices and routine dental examinations, a porcelain fused to high noble metal crown typically provides 10-15 years of service, often extending beyond this timeframe. The actual durability varies based on individual factors including oral care habits, occlusal forces, and ongoing preventive maintenance. Always verify with the specific insurance carrier, as policies and coverage rules can vary significantly between payers. Maintaining thorough documentation for D2750 will strengthen your position in any audit or appeal scenario.

What is the typical reimbursement range for D2750?

2026 Medicaid fee schedules give a public reference point for D2750: New York Medicaid pays $505.00 for patients 6 and older with prior authorization (New York Medicaid dental fee schedule, January 2026) and Texas Medicaid pays $534.93 for patients 13 to 20 (Texas Medicaid (TMHP) THSteps dental fee schedule). D2750 is not a covered, separately priced service on the Medi-Cal Dental or Florida Medicaid fee schedules. 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 D2750.

Does D2750 require prior authorization?

Prior authorization requirements for D2750 depend on the patient's specific insurance plan. Some carriers require advance approval for procedures coded under D2750, 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.