D6066 is the CDT code for a porcelain-fused-to-metal implant crown on a high noble coping that attaches directly to the implant.
- When to use: A single implant is restored with a one-piece high noble PFM crown, and no separate abutment was placed or billed.
- When not to use: A PFM crown on a separate abutment is D6059, and a one-piece PFM crown on a base, noble, or titanium coping is D6082, D6083, or D6084.
- Billing note: Many plans pay D6066 at the D2750 conventional PFM crown allowable, so estimate the case first and code the coping from the lab slip.
What D6066 covers
D6066 reports a single porcelain-fused-to-metal crown with a high noble metal coping that attaches directly to the implant body as a one-piece unit. The abutment function is integral to the crown, so there is no separate abutment line on the case. The code includes the impression or scan of the implant, the laboratory fabrication, the try-in, the occlusal adjustment, the seating, and the post-seating occlusion check.
Bill D6066 when a single-tooth PFM crown on a high noble coping attaches directly to the implant as one piece, no separate abutment (D6056 or D6057) was placed or billed, and the crown has been seated, adjusted, and finalized.
It does not cover:
- Abutment-supported PFM crowns, which seat on a separate, separately billable abutment (D6056 prefab or D6057 custom). Use D6059 for high noble metal, D6060 for predominantly base metal, or D6061 for noble metal. If a separate abutment was placed, the abutment is D6056 or D6057 and the crown is D6059.
- Implant-supported PFM crowns with a different coping alloy. Use D6082 (predominantly base metal), D6083 (noble metal), or D6084 (titanium or titanium alloy).
- Implant-supported all-ceramic crowns. Use D6065.
- Implant-supported full-metal crowns with no porcelain. Use D6067 (high noble metal), D6086 (predominantly base metal), D6087 (noble metal), or D6088 (titanium).
- The implant fixture. Use D6010 for placement.
- A provisional or interim implant crown. Use D6085.
- A conventional PFM crown on a natural tooth. Use D2750 for high noble metal, D2751 for predominantly base metal, D2752 for noble metal.
What separates D6066 from D6059
The deciding question across the single-tooth implant-crown family is whether a separate, separately billable abutment exists. Whether the crown is cemented or screw-retained does not decide it.
Implant-supported (D6066) indicators:
- A one-piece PFM restoration that attaches directly to the implant body.
- No separate D6056 or D6057 line on the case, because the abutment function is integral to the crown.
- Can be cemented or screw-retained.
Abutment-supported (D6059) indicators:
- A separate abutment (D6056 prefab or D6057 custom) is placed on the implant and billed as its own line item.
- The PFM crown is cemented onto that abutment or screw-retained to it. Either way it is D6059.
- Common when a custom abutment is needed to correct angulation, build an emergence profile, or reposition the margin.
A one-piece PFM crown with any abutment built into the unit and not billed separately is D6066, screwed or cemented. Billing D6066 when a separate abutment was actually placed and billed misrepresents the procedure. The chart and the claim should agree.
The coping alloy and the implant-supported PFM split
The implant-supported PFM crown splits by coping alloy the same way the abutment-supported side does, and D6066 covers only the high noble member:
- D6066: high noble metal coping.
- D6082: predominantly base metal coping.
- D6083: noble metal coping.
- D6084: titanium or titanium alloy coping.
Code to the lab slip, not to D6066 by default.
The alternate-benefit downgrade
Many plans apply an alternate-benefit clause on implant crowns. The downgrade target is plan-dependent:
- Some plans pay D6066 at the D2750 (conventional PFM crown on a natural tooth) allowable.
- Some pay it at a bridge pontic allowable, on the reasoning that a bridge would have been the alternative restoration.
- A handful do not cover implant restorations at all and apply the partial denture or no-coverage rules.
The carrier pays D6066 at the downgrade allowable or denies it, and the patient owes the difference between the implant-crown office fee and that allowable, plus coinsurance on the lower allowable. The gap can be large, so run a pre-treatment estimate on the full sequence before the crown impression, particularly on plans with explicit implant restrictions.
Top reasons D6066 gets denied or downgraded
- Alternate-benefit downgrade. The plan pays at a conventional PFM crown or bridge pontic allowable. This is not a denial. Bill the patient the difference.
- Plan excludes implant restorations entirely. Newer marketplace plans and some employer-sponsored plans deny the crown as non-covered, and the patient owes the full fee.
- Wrong code for an abutment-supported crown. D6066 billed when a separate abutment was placed and billed. Recode the abutment as D6056 or D6057 and the crown as D6059, then resubmit.
- Material mismatch. D6066 billed for a ceramic or full-metal implant crown, or for a PFM crown with a base, noble, or titanium coping. Recode to D6065 (ceramic), D6067 (full high noble metal), or D6082, D6083, or D6084 for a PFM base, noble, or titanium coping.
- Missing implant placement history. The carrier cannot find the D6010 in the patient’s records. Documentation of the placement date (chart entry, prior carrier records, surgical center records) resolves it.
Documentation that supports the claim
The claim needs:
- Date of service (the crown delivery date).
- Tooth number or implant location.
- Implant brand and platform (some carriers require this on the claim).
- Crown material designation (porcelain fused to metal).
For the patient record, document:
- Implant placement date.
- That the restoration is implant-supported (one piece, direct to the implant, no separate abutment).
- Crown material and the coping alloy.
- Shade selection.
- Retention method (cement or screw) and, if cemented, the cement type.
- Occlusal adjustment and verification.
- Soft tissue check at delivery for subgingival cement removal, if cemented.
The note that the crown attached directly to the implant is what supports D6066 over D6059. If the chart describes seating a crown on a placed abutment, the carrier will read the case as abutment-supported and expect D6059 with an abutment line.
Example case
A 50-year-old patient had an implant placed on tooth #30 (lower right first molar) by an oral surgeon five months ago. The implant is integrated and well-positioned, with good angulation, so no custom abutment is needed. The general dentist plans a one-piece screw-retained PFM crown with a high noble coping that attaches directly to the implant, chosen for occlusal strength on a molar.
Treatment sequence:
- Visit 1 (five months ago): D6010 placement at the surgical center.
- Visit 2 (today): final PFM crown, one piece, screw-retained directly to the implant. No separate abutment placed or billed.
Billing steps:
- Verify benefits and confirm implant crown coverage. Pull the carrier’s expected payment on D6066 and check for downgrade or exclusion rules.
- Confirm the lab slip shows a high noble coping. If it is base, noble, or titanium, the correct code is D6082, D6083, or D6084.
- Submit D6066 on the crown delivery date with tooth number 30 and the implant brand. Do not add an abutment line.
- Document that the crown is implant-supported and the retention method.
- If the carrier downgrades to a conventional crown allowable, post the payment and bill the patient the difference, which the pre-treatment estimate should have flagged.
FAQs
- What's the difference between D6066 and D6059?
- The difference is whether a separate, separately billable abutment exists. D6066 is implant-supported: a one-piece PFM crown that attaches directly to the implant body. D6059 is abutment-supported: the PFM crown seats on a separate implant abutment (D6056 prefab or D6057 custom) that bills on its own line. Cemented versus screw-retained does not decide the code, and the chart should match it.
- Does D6066 split into metal classes the way D6059 does?
- Yes. D6066 is the high noble member of the implant-supported PFM family. The others are D6082 (predominantly base metal), D6083 (noble metal), and D6084 (titanium or titanium alloy). Code to the alloy on the lab slip, because D6066 on a base-metal or titanium crown is a material mismatch a carrier can catch on audit.
- What's the difference between D6065, D6066, and D6067?
- They differ by material. All three are single-tooth implant-supported crowns that attach directly to the implant with no separate abutment. D6065 is porcelain or ceramic. D6066 is porcelain fused to a high noble metal coping, with D6082, D6083, and D6084 for base, noble, and titanium PFM copings. D6067 is a full high noble metal crown, with D6086, D6087, and D6088 for base, noble, and titanium. Code to the material actually delivered and name it in the chart.
- Should there be an abutment code on a D6066 claim?
- No. On a D6066 case the abutment function is integral to the crown. If a separate abutment (D6056 or D6057) was placed and billed, the crown should be D6059. A D6066 claim with an abutment line on the same case is a code mismatch the carrier will question.
- Why was D6066 paid at a conventional crown allowable?
- The plan applied an alternate-benefit clause, paying D6066 at the D2750 (conventional PFM crown on a natural tooth) allowable or at a bridge pontic allowable. The patient owes the difference. This is plan language, not a denial, and it is plan-dependent. Some plans exclude implant restorations entirely.
Related codes
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CDT codes are maintained by the American Dental Association. This page is an editorial billing guide, not the official ADA code descriptor. Verify current coverage policies with each carrier before submitting claims.