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ICD-10 Guide
ICD-10 CodesK05.329

K05.329

Billable

Chronic periodontitis, generalized, unspecified severity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K05.329 is a billable code used to indicate a diagnosis of chronic periodontitis, generalized, unspecified severity.

Key Diagnostic Point:

Chronic periodontitis is a common inflammatory disease affecting the supporting structures of the teeth, primarily the gums and bone. It is characterized by the progressive loss of periodontal attachment and bone, leading to tooth mobility and potential tooth loss if left untreated. The condition is often generalized, affecting multiple teeth, and can present with symptoms such as gum bleeding, swelling, and bad breath. The disease progression can vary, with periods of exacerbation and remission. The primary anatomical structures involved include the gingiva, periodontal ligament, and alveolar bone. Diagnostic considerations for chronic periodontitis include clinical examination, probing depth measurements, and radiographic assessment to evaluate bone loss. The severity of the disease can range from mild to severe, but K05.329 is used when the severity is unspecified, indicating a need for further evaluation to determine the extent of periodontal destruction.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough clinical evaluation and may involve multiple diagnostic tests.
  • Treatment complexity: Treatment may include non-surgical and surgical interventions, necessitating a multidisciplinary approach.
  • Documentation requirements: Detailed documentation of clinical findings, treatment plans, and patient compliance is essential.
  • Coding specificity: Requires accurate coding to differentiate from other periodontal diseases.

Audit Risk Factors

  • Common coding errors: Misclassification of severity or type of periodontitis.
  • Documentation gaps: Incomplete records regarding clinical findings and treatment history.
  • Billing challenges: Potential denials due to lack of specificity in documentation.

Specialty Focus

Medical Specialties

Dentistry

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Periodontology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Chronic periodontitis has significant clinical implications, affecting not only oral health but also overall systemic health. It is associated with various conditions such as cardiovascular disease and diabetes. Understanding the epidemiology of chronic periodontitis can help healthcare providers identify at-risk populations and implement preventive measures. Quality measures related to periodontal health can improve healthcare utilization patterns, leading to better patient outcomes and reduced healthcare costs.

ICD-9 vs ICD-10

Chronic periodontitis has significant clinical implications, affecting not only oral health but also overall systemic health. It is associated with various conditions such as cardiovascular disease and diabetes. Understanding the epidemiology of chronic periodontitis can help healthcare providers identify at-risk populations and implement preventive measures. Quality measures related to periodontal health can improve healthcare utilization patterns, leading to better patient outcomes and reduced healthcare costs.

Reimbursement & Billing Impact

Reimbursement considerations include verifying patient eligibility and coverage for periodontal treatments, as well as understanding the specific coding guidelines for periodontal procedures. Common denials may arise from insufficient documentation or incorrect coding, so it is essential to follow best practices in coding and billing to minimize these risks.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K05.329?

K05.329 covers chronic periodontitis that is generalized and unspecified in severity. It includes cases where there is evidence of periodontal tissue destruction affecting multiple teeth but does not specify the extent of attachment loss or bone loss.

When should K05.329 be used instead of related codes?

K05.329 should be used when the chronic periodontitis is generalized and the severity is not clearly defined. If the severity can be determined, related codes such as K05.3 for localized chronic periodontitis or K05.4 for aggressive periodontitis may be more appropriate.

What documentation supports K05.329?

Documentation should include a comprehensive periodontal examination, probing depth measurements, clinical attachment levels, radiographic evidence of bone loss, and a treatment plan. It is crucial to document the patient's symptoms and any previous treatments to support the diagnosis.