Osseous Surgery (Periodontal)
Customize your policy alerts
Sign up for Blue Cross Blue Shield - Nevada Policy 04-205 alerts
Get alerted when Policy 04-205 changes without checking for updates manually.
Monitor payer policy activity
This policy defines clinical indications, documentation, coding, and benefit limits for osseous (periodontal) surgery for Blue Cross Blue Shield - Nevada members; it applies to providers performing periodontal surgical procedures and to claims reviewers.
Added criteria #12 and #13 regarding documentation when more than two quadrants are treated in one appointment and applicability to dental implants.
Added lines #10 and #11 previously during earlier revisions to criteria (periodontal diagnosis requirement and timing within two years).
Coverage Criteria
Appropriate / Covered
Osseous surgery is considered appropriate when ALL of the following are met:
Note: Services performed in conjunction with or in preparation for a non-covered or denied service will also be non-covered or denied. When determining coverage, related procedures provided at the same time or as preparatory steps for a non-covered service should be reviewed together and denied if the primary service is non-covered.
Osseous surgery is not considered medically necessary when the required documentation and clinical criteria are not met. Examples of missing or insufficient documentation include lack of a dated post-initial therapy 6-point periodontal charting demonstrating pocket depths of >= 5 mm, absence of current (within 12 months) pretreatment full-mouth or panoramic radiographs (with bitewings) or an adequate narrative when radiographs are non‑demonstrative, and failure to show completion of initial non-surgical periodontal therapy with the required minimum four-week healing interval.
Coding and Clinical Thresholds
| D4260 | Osseous surgery (including elevation of a full thickness flap and closure) - four or more contiguous teeth or tooth bounded spaces per quadrant. |
| D4261 | Osseous surgery (including elevation of a full thickness flap and closure) - one to three contiguous teeth or tooth bounded spaces per quadrant. |
| D6101 | Debridement and osseous recontouring of peri-implant defect or defects surrounding a single implant, surface cleaning of the exposed implant surfaces, including flap entry and closure. |
| D6102 | Debridement and osseous recontouring of a peri-implant defect or defects surrounding a single implant, and includes surface cleaning of the exposed implant surfaces, including flap entry and closure. |
| No codes listed |
Provider Actions, Documentation & Authorization
Prior Authorization / Exceptions
Prior authorization may be required per contract and for exceptions (for example, more than two quadrants or deviation from frequency limits).
- Affected procedures: osseous surgery (CDT D4260, D4261, D6101, D6102)
- Prior authorization: contract dependent — verify member benefits prior to treatment
- Exceptions: >2 quadrants may trigger case review and documentation request
Pre-surgical Therapy Requirement
Initial non-surgical periodontal therapy (for example, scaling and root planing) must be completed and allowed to heal for a minimum of four weeks prior to any osseous surgery to permit assessment of non-surgical therapy success.
- Minimum healing interval: 4 weeks after initial therapy before osseous surgery
- Timing limitation: osseous surgery should be performed within 2 years of initial therapy and evaluation
Documentation Requirements
Documentation must demonstrate completion and outcomes of initial periodontal therapy and current diagnostic data prior to osseous surgery. Claims may be denied if required documentation is not provided.
- Document completion of initial periodontal therapy with date and a minimum 4-week healing interval
- Provide dated (within 12 months) post-initial therapy 6-point periodontal charting showing pocket depths ≥ 5 mm
- Include current (within 12 months) pretreatment full mouth radiographic images and/or a panoramic image with bitewings to demonstrate osseous defects; if radiographs are non-diagnostic, include a detailed narrative with staging/grading, furcation classification, and description of vertical defects
- Limit benefits to two quadrants per date of service (contract dependent); when more than two quadrants are performed, supply treatment notes, intraoral photos, medical/dental histories, and patient ledger/schedule as requested
Denial Triggers
Claims may be denied if clinical documentation does not meet policy criteria.
- Denial triggers include: absence of documentation showing completion of initial periodontal therapy with ≥4 weeks healing; lack of dated (within 12 months) post-initial therapy 6‑point charting; charting that does not demonstrate pocket depths ≥ 5 mm; missing required radiographs or adequate narrative when radiographs are non-diagnostic
- Services performed in conjunction with non-covered or denied services may also be non-covered or denied (contract dependent)
Background
Osseous surgery involves surgical modification of the alveolar bone to correct horizontal or vertical osseous defects and restore a more physiologic bony form around teeth or implants. It is indicated when gingival inflammation progresses to periodontitis with documented bone loss and persistent periodontal pockets after completion and reassessment of initial non-surgical therapy. Policy expectations include completion of initial scaling and root planing with at least a four-week healing interval, documentation of pocket depths of >= 5 mm on post-therapy 6-point charting, and current (within 12 months) pretreatment radiographs or an appropriate clinical narrative. Benefits are typically limited by quadrant and frequency, and implants are treated the same as natural teeth for quadrant benefit application.
Definitions
OpenPayer is powered by Trek Health's payer performance platform. Trek continuously ingests, validates, and normalizes Transparency in Coverage data alongside payer policies and other commercial payer data to create a structured payer intelligence foundation. OpenPayer uses this foundation to deliver personalized search results, dynamically generated policy pages, and tailored policy monitoring based on each user's payers, specialties, billing codes, and areas of interest. The same intelligence powers broader payer performance workflows, including reimbursement benchmarking, contract evaluation, payer negotiations, and financial decision-making.