D5120 Complete Denture — Mandibular Template

Complete denture - mandibular.

RMH: Medical history reviewed/updates

PDI/edentulism class: Complete/partial edentulism class
Reason for tooth loss: Caries/periodontal/trauma/other
Teeth replaced/extraction dates: Teeth and extraction dates if known
Measurements/lab details: Midline/canine eminence/lip rest-smile/VDO/shade/brand/special requests
Lab order: Lab name/instructions/estimated return date
Existing prosthesis: Age, fit, reason for replacement if applicable

Indication: Indication/diagnosis
Edentulous mandible.

Visit type: Visit type

Impressions:
Primary impression taken.
Custom tray fabricated.
Final impression taken with: Impression material/scanner
Border molding completed.

Bite registration:
Vertical dimension recorded.
Centric relation recorded.

Try-in:
Teeth arrangement verified.
Esthetics approved by patient.
Phonetics checked.
Occlusion verified.

Delivery:
Denture inserted.
Occlusion adjusted.
Patient instructions: Instructions reviewed.
Insertion/removal demonstrated.
Care instructions provided.

Complications: None or describe.
Patient tolerance: Tolerance/response.

NV: Next visit

What documentation is required for D5120?

Removable prosthesis notes have to support the diagnosis (edentulism), the prosthesis design, and the lab workflow. A note that only narrates "denture delivered" will not survive a medical-necessity audit. Build the chart entry around the items below.

• Medical history reviewed/updates — meds, conditions, allergies, ASA status, anti-resorptive or bisphosphonate history (relevant to ridge healing and any future extraction or implant conversion), diabetes/HbA1c (delayed soft-tissue healing), xerostomia-causing medications (impact retention and tissue tolerance).
• Edentulism classification — ACP Prosthodontic Diagnostic Index (PDI) Class I–IV based on residual ridge morphology, muscle attachments, and inter-arch relationship. A specific class anchors medical necessity better than "edentulous mandible."
• Reason for tooth loss — caries, periodontal disease, trauma, congenital, other. Carriers reviewing replacement dentures look for whether the tooth loss is documented.
• Teeth replaced and extraction dates — list teeth being replaced (typically #17–32 for a full mandibular) and extraction dates if known. For replacement dentures, the date the previous denture was delivered (or a "previous denture age unknown" attestation).
• Existing prosthesis assessment, when applicable — age, fit, retention, stability, occlusion, hygiene, base integrity, occlusal vertical dimension loss, and the specific reason for replacement (broken beyond repair, ridge resorption beyond reline tolerance, lost, esthetic failure, repeated repairs). Replacement-claim denials are almost always a documentation problem, not a frequency problem.
• Ridge / tissue findings — ridge form (well-rounded, knife-edge, flat, severely resorbed), keratinized tissue, frenum attachments (lingual frenum is the lower-arch retention killer), mylohyoid ridge prominence, tongue size and posture (Wright classification helpful), genial tubercle prominence, hyperplastic tissue or epulis fissuratum from prior denture, undercuts.
• Opposing dentition — natural dentition, fixed prosthesis, complete or partial denture, implant-supported. The opposing arch dictates occlusal scheme (lingualized vs balanced vs monoplane) and is a key audit/medical-necessity element.
• Lab workflow record — primary impression material, custom tray, border-molding material (modeling plastic, PVS heavy/light, polyether), final impression material/technique (selective pressure, mucostatic), bite registration material and technique (gothic arch tracing if used), occlusal scheme selected, tooth mould/shade/brand, lab name, lab order date, estimated return.
• Try-in record — esthetics, phonetics ("S" sounds, closest speaking space), VDO and freeway space (typically 2–4 mm), midline, occlusal plane, lip support, patient and (where appropriate) family approval before processing. The patient's signed approval at try-in is the single best defense against a "denture doesn't fit / I don't like it" complaint after delivery.
• Delivery — internal/external surface inspection, pressure-indicator paste check, occlusal equilibration in centric and lateral excursions, retention and stability assessed and stated (not assumed), patient instructions (insertion/removal, hygiene, overnight removal, soak solution, sore-spot expectations).
• Complications and patient response — gag, sore spots, retention concerns at delivery, fit issues. Don't auto-default to "none" if the patient voiced concerns.
• Post-delivery adjustment plan — adjustment visits within the global period (typically 24–48 hour, 1-week, and as-needed), and the trigger to consider tissue conditioning (D5851), reline (D5730/D5750), or implant-retained conversion (D6110/D5865) if retention/stability is unworkable on the conventional design.

The principle applies: the chart should answer why this prosthesis, why now, and why this design without the reader having to call the office.

Why does D5120 get denied?

The most frequent reasons D5120 is denied, downgraded, or recouped:

• Frequency violation — patient had any complete or immediate lower denture (D5120 or D5140) within the carrier's 5/7/8-year lookback window, often from a prior office the front desk can't see. The single most common D5120 denial.
• Replacement reason not documented — a generic "patient wants a new denture" or "old denture is loose" without specifying age of the prior prosthesis, reason for replacement, and why reline/repair is not viable. Carriers reviewing a replacement claim want to see the medical-necessity narrative explicitly.
• Missing edentulous-arch documentation — the chart doesn't establish that the mandible is fully edentulous at the time of fabrication. If any lower teeth are present in the chart history without an extraction date or a planned-extraction note, the carrier may deny pending clarification.
• Same-day-of-service conflicts — D5120 billed alongside D5140 on the same arch (mutually exclusive — pick conventional or immediate, not both); D5120 billed alongside D5730/D5750 reline codes on the same arch (a brand-new denture isn't relined on delivery day); D5120 paired with D5410 adjustments within the bundled global period.
• Delivered the same day as extractions without using D5140 — when the chart shows extractions and a denture delivered the same day, D5120 should be D5140 (immediate). Carriers cross-reference extraction codes (D7140, D7210) on the same DOS and re-process.
• Implant overdenture in history — patient's claim history shows D5865, D6110, or D6111 on the lower arch within the frequency window. Carriers treat the implant overdenture as the patient's lower prosthesis for frequency purposes.
• Pre-authorization not obtained — for Medicaid and Medicaid MCO claims, an unauthorized D5120 is denied even when medically necessary.
• Inadequate try-in and delivery documentation — when a patient files a complaint or post-delivery dispute, a note that doesn't show patient approval at try-in, retention/stability assessment at delivery, and reasonable adjustment follow-up is the practice's biggest exposure. Less an insurance denial issue than a state-board / refund-request issue, but a known pattern.
• "Lost denture" replacement — most plans do not cover replacement of a lost denture within the frequency window; a stolen-denture replacement may be covered with a police report. Verify before fabrication.

What do practices ask about D5120?

Which templates are related to D5120?