Dental insurance verification and accuracy in reporting ICD-10 and CDT dental codes on the claims submitted to insurance companies are crucial for timely reimbursement. The ICD-10 diagnosis codes signify particular dental diseases, disorders and symptoms, while the CDT procedural codes are used to report various diagnostic, preventive, restorative, endodontics, periodontics, removable prosthodontics, maxillofacial prosthetics, implant services, fixed prosthodontics, oral and maxillofacial surgery, orthodontics, and adjunctive general services on dental insurance claims.
Dental practitioners help patients suffering from various dental problems and prompt service is essential for excellent patient care. Some of the most common dental problems dentists treat include:
- Erosion of teeth
- Dental caries
- Gingivitis
- Periodontitis
- Endodontic treatment
- Resin restoration
ICD-10 Codes for Common Dental Problems and Related CDT Procedural Codes
Erosion of teeth
ICD-10-CM Code(s)
- K03.2: Erosion of teeth
- K03.3: Pathological resorption of teeth
- K03.7: Post eruptive color changes of dental hard tissues
CDT Code(s)
- D7880: Occlusal orthotic device, by report
- D7881: Occlusal orthotic device adjustment
- D1206: Topical application of fluoride varnish
- D1208: Topical application of fluoride-excluding Varnish
- D1310: Nutritional counselling for control of dental disease
Dental Caries
ICD-10-CM Code(s)
- K02.3: Arrested dental caries
- K02.5: Dental caries on pit and fissure surface
- K02.51: Dental caries on pit and fissure surface limited to enamel
- K02.52: Dental caries on pit and fissure surface penetrating into dentin
- K02.53: Dental caries on pit and fissure surface penetrating into pulp
- K02.63: Dental caries on smooth surface penetrating into pulp
- K02.7: Dental root caries
- K02.9: Unspecified dental caries
CDT Code(s)
- D1330: Oral hygiene instructions
- D0601: Caries risk assessment and documentation, with a finding of low risk
- D0602: Caries risk assessment and documentation, with a finding of moderate risk.
- D0603: Caries risk assessment and documentation, with a finding of high risk
Gingivitis
ICD-10-CM Code(s)
- K05.0: Acute gingivitis
- K05.00: Acute gingivitis, plaque induced
- K05.01: Acute gingivitis, non-plaque induced
- K05.1: Chronic gingivitis
- K05.10: Chronic gingivitis, plaque induced
- K05.11: Chronic gingivitis, on-plaque induced
CDT Code(s)
- D9110: Palliative (emergency) treatment of dental pain-minor procedure.
- D4210: Gingivectomy or gingivoplasty- four or more contiguous teeth or tooth bounded spaces per quadrant.
- D4211: Gingivectomy or Gingivoplasty-one to three contagious teeth or tooth bounded spaces per quadrant.
- D4212: Gingivectomy or gingivoplasty to allow access for restorative procedure, per tooth.
Periodontitis
ICD -10- CM code(s)
- K05.2: Aggressive periodontitis
- K04.20: Unspecified aggressive periodontitis
- K05.21: Aggressive periodontitis, localized
- K05.221: Aggressive periodontitis, generalized, slight
- K05.222: Acute periodontitis, generalized, moderate
- K05.223: Aggressive periodontitis, generalized, severe
- K05.3: Chronic periodontitis
- K05.30: Chronic periodontitis, unspecified
- K05.311: Chronic periodontitis, localized, slight
- K05.312: Chronic periodontitis, localized, moderate
- K05.313: Chronic periodontitis, localized, severe
- K05.319: Chronic periodontitis, localized, unspecified severity
- K05.321: Chronic periodontitis, generalized, slight
- K05.322: Chronic periodontitis, generalized, moderate
- K05.323: Chronic periodontitis, generalized, severe
- K05.329: Chronic periodontitis, generalized, unspecified severity
- K05.4: Periodontitis
- K05.5: Other periodontal diseases
- K05.6: Unspecified periodontal disease
CDT Code(s)
- D4341: Periodontal scaling and root planning-four or more teeth per quadrant
- D4342: Periodontal scaling and root planning- one to three teeth per quadrant
- D4910: Periodontal maintenance
- D4381: Localized delivery pf antimicrobial agents via controlled release vehicle into diseased crevicular tissue, per tooth
Endodontics
ICD-10-CM code(s)
- K04.0: Pulpitis
- K04.01: Reversible pulpitis
- K04.02: Irreversible pulpitis
CDT code(s)
- D3110: Pulp cap direct (excluding final restoration)
- D3120: Pulp cap-indirect (excluding final restoration)
- D3220: Therapeutic pulpotomy (excluding final restoration) – removal of pulp coronal to the dentinocemental junction and application of medicament
- D3221: Pulpal debridement, primary and permanent teeth
- D3310: Endodontic therapy, anterior tooth (excluding final restoration)
- D3320: Endodontic therapy, bicuspid tooth (excluding final restoration)
- D3330: Endodontic therapy, molar (excluding final restoration)
Resin Restoration
ICD-10-CM codes
- K03.2: Erosion of teeth
- K03.3: Pathological resorption of teeth
- K03.7: Post eruptive color changes of dental hard tissues
- K02.5: Dental caries on pit and fissure surface
- K02.51: Dental caries on pit and fissure surface limited to enamel
- K02.52: Dental caries on pit and fissure surface penetrating into dentin
CDT-10 codes
- D2650: Inlay-resin-based composite-one surface
- D2651: Inlay-resin-based composite-two surfaces
- D2652: Inlay-resin-based composite-three or more surfaces
- D2662: Onlay-resin based composite-two surfaces
- D2710: Crown-resin-based composite (indirect)
- D2712: Crown – ¾ resin-based composite (indirect)
Why Eligibility Verification and Coding Must Work Together
Insurance eligibility verification and accurate ICD-10 and CDT coding work together to support successful dental claims. While eligibility verification confirms a patient’s active benefits and covered services before treatment, correct ICD-10 and CDT codes ensure the claim accurately reflects the diagnosis and procedures performed. Errors in either step can result in claim denials, delayed reimbursement, or additional administrative work. When dental insurance verification and coding are accurately done, you will receive the due reimbursement.
Related Reading: Learn more about eligibility verification compliance guidelines.
A dental billing company can prove to be a valuable partner for busy dentists because they will proactively verify the patient’s insurance eligibility even before the patient’s appointment date. They will obtain prior authorizations for particular dentistry codes such as implants, scaling, root canal treatment, crowns and other procedures that require pre-authorization so that claim denials and delays are avoided. In addition, other details will also be verified such as policy status, plan exclusions, deductibles, claims mailing address, and pre-authorization number among others.
Dental billing companies can be entrusted with error-free dental billing and coding because their billing experts stay updated with the frequently changing dental codes. This ensures that dental practitioners can focus on providing patient care and considerably reduce the overhead expenses they might incur if in-house billing staff is hired.
More from This Author
