D3421 - Apicoectomy (Pre)
Apicoectomy – premolar (first root).
- Procedure Code
- D3421
- Clinical Category
- Endodontics
- Primary ICD-10 Justification
- See mapped diagnoses below
- Reference Fee & Claim Types
- DENTAL
Insurance Verification Benchmarks & Billing Guidelines
Payer policy benchmarks, pre-submission attachment requirements, and denial prevention rules for D3421.
- Frequency Limitation
- Subject to group/individual contract frequency limitations (none)
Required Claim Attachments & Pre-Submission Checklist
- Diagnostic pre-operative radiograph showing affected tooth/area
Bill When (Allowable Clinical Criteria)
- Indicated for medically and clinically necessary treatment as documented in patient's dental record.
Restrictions & Clinical Exclusions
- The fees for biopsy (D7285, D7286), frenectomy (D7961 and D7962) and excision of hard and soft tissue lesions (D7410, D7411, D7450, D7451) are not billable to the patient when the procedures are performed on the same date of service, same surgical site/area, by the same dentist/dental office as the above referenced codes. Requests for individual consideration may always be submitted by report for dental consultant review.
- For benefit purposes, anesthesia is an integral part of the procedures being performed and additional fees are not billable to the patient.
- Infection control is included in the fee for the dental services provided. Separate fees are not billable to the patient.
- All services and treatment provided remotely via tele-health modalities, be they synchronous or asynchronous, must be performed by a licensed dentist or their supervised staff, acting within the scope of applicable law. Services and treatment delivered virtually are only a benefit when the elements included in the descriptor of the CDT procedure code are completed and only when they meet generally accepted clinical guidelines.
- Benefits for restorations for altering occlusion, adjusting vertical dimension, replacing tooth structure lost by attrition, erosion, abrasion, abfraction, corrosion, TMD, or for periodontal, orthodontic, or other splinting are denied, unless covered by group contract.
Common Claim Denial Codes & Overturn Strategies
| Denial Code | Denial Reason | Appeal & Overturn Strategy |
|---|---|---|
| CO-119 | Benefit maximum or frequency limitation exceeded for procedure | Submit clinical narrative detailing extraordinary circumstances, active recurrent pathology, or exception criteria. |
ICD-10-CM Justification & Crosswalk Mappings for D3421 (0)
Click any ICD-10-CM diagnosis code below to inspect its reverse procedure mappings and differential coding guide.
No direct ICD-10 mappings recorded for D3421.
Frequently Asked Questions — D3421 (Apicoectomy (Pre))
Quick answers for dental billers and treatment coordinators submitting claims for D3421.
What ICD-10 diagnosis codes link to dental procedure D3421?▾
Currently no specific ICD-10 crosswalk mappings recorded for CDT D3421.
Can CDT code D3421 be billed to medical insurance?▾
Billing CDT D3421 (Apicoectomy (Pre)) to medical insurance depends on the underlying clinical necessity and trauma/pathology documentation. Supported claim types across linked diagnoses: DENTAL.
What attachments and documentation are required for billing CDT D3421?▾
Required claim attachments for CDT D3421 (Apicoectomy (Pre)) include: Diagnostic pre-operative radiograph showing affected tooth/area.
What is the insurance frequency limitation for CDT D3421?▾
Standard commercial insurance frequency for D3421: Subject to group/individual contract frequency limitations (none).
What are common insurance denial reasons and appeal tips for CDT D3421?▾
Denial Code CO-119 (Benefit maximum or frequency limitation exceeded for procedure): Overturn appeal strategy - Submit clinical narrative detailing extraordinary circumstances, active recurrent pathology, or exception criteria.