Post and Core in Addition to Crown, Indirectly Fabricated Template

Post and core - cast, in addition to crown.

RMH: Medical history reviewed/updates
Vitals: BP/pulse; other vitals if indicated

Tooth: #Tooth number(s)
Indication: Indication/diagnosis

Post/core code support: Insufficient tooth structure; post/core required for crown retention
Endodontic status: RCT completed/date; canal selected; remaining apical seal
Remaining tooth structure: Walls/cusps/ferrule/retention details
Missing tooth structure after prep, before core: % missing
Pre/post-prep photos: Images labeled tooth/date

Radiographs/photos: Radiographs/photos reviewed/taken and findings
Endodontically treated tooth with insufficient coronal structure.

Consent: Consent/PARQ reviewed; signed/verbally obtained

Anesthesia: Anesthetic used
Carps: Carpules/amount

Preparation Appointment:
Gutta percha removed to appropriate depth.
Post space prepared.
Adequate apical seal maintained.
Post space impression taken.
Provisional post/core or temp placed.

Lab:
Material: Material

Cementation Appointment:
Provisional removed.
Cast post and core tried in.
Fit verified.
Passive fit confirmed.
Cemented with: Cement used
Excess cement removed.

Tooth prepared for crown.
Impression taken.
Provisional crown placed.

Complications: None or describe.

Patient tolerance: Tolerance/response.

NV: Next visit

Documentation requirements

D2952 sits at the intersection of restorative and endodontic documentation, and carriers audit it accordingly. The defensible note has to support insufficient coronal structure, completed and stable RCT, preserved apical seal, and a planned crown on the same tooth. A defensible note includes:

• Tooth number — universal numbering. One tooth per D2952 line item.
• Indication / diagnosis — endodontically treated tooth with insufficient coronal structure for crown retention. Be specific about which walls are missing and why a direct buildup (D2950) is not adequate (oval/flared canal, inadequate ferrule, large core volume, esthetic anterior).
• Post/core code support — the line that justifies post-and-core over a buildup-only restoration. Document missing walls, percent of coronal structure missing after prep, ferrule height circumferentially, and the retention rationale for an intraradicular post.
• Endodontic status — RCT completion date, who performed it (in-office vs referred), the canal(s) selected for the post, and the apical gutta-percha seal preserved (target 4-5 mm). A pre-op PA confirming completed RCT and a post-op PA confirming preserved apical seal are the strongest audit support a chart can carry.
• Remaining tooth structure — walls present, ferrule height (mm) circumferentially, cusp status, sub-gingival margin location if relevant. Carriers and crown-lengthening reviewers look here for justification of a full-coverage indirect approach.
• Missing tooth structure after prep, before core — quantitative estimate (e.g., "approximately 60% of coronal structure missing after prep"). This is the AAE/ACP-aligned framing that distinguishes a post-and-core case from a buildup-only case.
• Pre/post-prep photos and radiographs — labeled with tooth number and date. Pre-op IO photo showing missing walls, pre-op PA showing completed RCT, post-space PA confirming depth and apical seal, post-cementation PA, and a final post-op IO photo. Photos materially strengthen audit defense.
• Replacement of failed prior post (if applicable) — if a previously placed post was removed, document the removal in its own procedure block and bill D2955 separately. State the reason for failure (fracture, recurrent caries, debond, root fracture ruled out) and the tooth's current restorability assessment.
• Consent / PARQ — restorability discussion, post-and-core vs extraction-and-implant, root-fracture risk, debond/loosening risk, future endodontic retreatment access through a cast post (substantially harder than through a prefab post or buildup), and crown plan.
• Anesthesia — agent, concentration, vasoconstrictor, technique (block vs infiltration), carpules. The post-prep visit is typically anesthetized; the cementation visit may or may not be, document accordingly.
• Preparation appointment block — gutta percha removed to planned depth, post space prepared (state instrument: Gates-Glidden, Peeso, ParaPost reamer, etc.), apical seal preserved (4-5 mm), post space impression taken (impression material), provisional post/core or temp placed.
• Lab and material — lab name (or in-office mill), alloy (high-noble gold, base-metal, NPG, fiber/ceramic if used), and any specific design instructions to the lab.
• Cementation appointment block — provisional removed, cast post-and-core tried in, fit verified clinically and radiographically (PA at try-in), passivity confirmed, cement used (resin, RMGI, zinc phosphate, GI), excess cement removed. Then crown prep, crown impression, and provisional crown placement if completed at the same visit.
• Crown plan reference — explicit statement that a crown is planned on the same tooth, with the planned crown CDT code (D2740 / D2750 / D2752 etc.) and the appointment scheduled.
• Complications — explicit "None" or describe (e.g., resistant gutta percha requiring solvent, perforation risk, post-space lateral wall thinness, need to abandon a canal). Silence is read as undocumented.
• Patient tolerance / response — tolerated well, no signs of distress.
• Next visit — crown delivery / cementation date, post-op PA timing, and any endodontic re-evaluation if prognosis was guarded.

Two recurring "soft" defects to avoid: (1) submitting D2952 with a chart note that reads like a single-appointment direct buildup with a prefab post — the carrier downgrades to D2954 (prefab) or D2950 (buildup); and (2) defaulted-template wording that says "4-5 mm apical seal preserved" with no PA on file showing the seal. Both are audit triggers and both are recoupment-grade defects under most Medicaid MCO and Delta Dental policy bulletins.

Common denial reasons

The most frequent reasons D2952 is denied, downgraded, or recouped:

• No documented crown plan — D2952 billed without an accompanying crown code in the treatment plan or claim history. Carriers enforce the descriptor's "in addition to crown" language and deny the post-and-core when the crown is not planned or not placed within the carrier's window.
• Alternate benefit to D2954 — the chart does not show a two-appointment indirect workflow (impression, lab fabrication, separate cementation visit). The carrier processes the claim at the D2954 prefab fee schedule. This is the single most common D2952 outcome on PPO claims.
• Missing PA confirming completed RCT — no pre-op PA showing obturation, or the obturation is short, voided, or shows a periapical lesion. Auditors treat the underlying RCT as a prerequisite and will deny the post-and-core if endodontic status is not documented and visualized.
• Inadequate apical seal — the post-space PA shows less than the standard 4-5 mm of apical gutta percha. Carriers and quality reviewers cite this as a clinical defect and use it as a basis for denial or recoupment.
• D2952 + D2950 same tooth same date — bundled per virtually all carrier policies; the post-and-core is inclusive of the core.
• Frequency violation — second D2952 on the same tooth within the carrier's lifetime or lookback window without a narrative documenting prior post failure and removal (and the corresponding D2955).
• Insufficient coronal-structure documentation — the chart says "post and core needed" without specifying missing walls, ferrule status, percent missing, or oval/flared canal anatomy. Auditors downgrade to D2950 (buildup-only) when the indirect post rationale is not supported.
• Anterior tooth with adequate ferrule and minimal missing structure — carrier reviewers commonly question post-and-core necessity on anteriors with intact lingual and buccal walls and 2+ mm circumferential ferrule. Document why a post is required despite reasonable remaining structure (esthetic crown plan, oval canal, prior failed direct restoration).
• Default-template wording — "4-5 mm apical seal preserved" and "passive fit confirmed" appearing on every D2952 chart with no patient-specific PA or photo. Pattern-recognizable to auditors and recoupment-grade in Medicaid MCO reviews.
• Pediatric primary tooth — D2952 on a primary tooth is essentially never appropriate and almost never reimbursed; primary-tooth pulp therapy uses D3220/D3230/D3240 with D2930/D2934 stainless-steel crown coverage.

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