D3120 - Pulp Cap (Indirect)
Indirect pulp cap (excluding restoration).
- Procedure Code
- D3120
- Category
- Endodontics
Insurance Verification Benchmarks & Billing Guidelines
Benchmark Policy Source: Delta Dental 2026
- Frequency Limitation
- Subject to group/individual contract frequency limitations (none)
Required Claim Attachments & Pre-Submission Checklist
- Standard ADA claim form with CDT procedure code and date of service
Bill When (Allowable Clinical Criteria)
- Indicated for medically and clinically necessary treatment as documented in patient's dental record.
Restrictions & Clinical Exclusions
- Direct or indirect pulp caps provided on the same date of service as the final restoration by the same dentist/dental office are considered part of a single complete restorative procedure and fees are not billable to the patient.
- 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 Justification & Crosswalk Mappings
| ICD-10 Code | Diagnosis Name | Category | Primary Justification | Claim Type | Clinical Scenario |
|---|---|---|---|---|---|
| K02.53 | Dental caries on pit and fissure surface penetrating into pulp | Dental caries | Yes (Primary) | BOTH | pulp cap – indirect (excluding final restoration) indicated for Dental caries on pit and fissure surface penetrating into pulp |
| K02.52 | Dental caries on pit and fissure surface penetrating into dentin | Dental caries | Secondary | BOTH | pulp cap – indirect (excluding final restoration) indicated for Dental caries on pit and fissure surface penetrating into dentin |
| K02.62 | Dental caries on smooth surface penetrating into dentin | Dental caries | Secondary | BOTH | pulp cap – indirect (excluding final restoration) indicated for Dental caries on smooth surface penetrating into dentin |
| K02.63 | Dental caries on smooth surface penetrating into pulp | Dental caries | Secondary | BOTH | pulp cap – indirect (excluding final restoration) indicated for Dental caries on smooth surface penetrating into pulp |
| K04.0 | Pulpitis | Diseases of pulp and periapical tissues | Secondary | BOTH | pulp cap – indirect (excluding final restoration) indicated for Pulpitis |
| S02.5XXA | Fracture of tooth (traumatic), initial encounter for closed fracture | Fracture of skull and facial bones | Secondary | BOTH | pulp cap – indirect (excluding final restoration) indicated for Fracture of tooth (traumatic), initial encounter for closed fracture |