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ICD-10 Guide
ICD-10 CodesL66.8

L66.8

Non-billable

Other cicatricial alopecia

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

Code Description

ICD-10 L66.8 is a used to indicate a diagnosis of other cicatricial alopecia.

Key Diagnostic Point:

L66.8 refers to other cicatricial alopecia, a condition characterized by hair loss due to scarring of the scalp. Cicatricial alopecia can result from various underlying causes, including inflammatory skin diseases, infections, and trauma. Clinically, patients may present with areas of hair loss that are often accompanied by symptoms such as itching, burning, or pain. The affected areas may appear shiny and devoid of hair follicles, indicating scarring. The anatomy involved primarily includes the hair follicles and the surrounding dermal and subcutaneous tissues. Disease progression can vary; some patients may experience rapid hair loss, while others may have a more gradual onset. Diagnostic considerations include a thorough clinical examination, patient history, and sometimes scalp biopsies to determine the underlying cause of the scarring. It is essential to differentiate cicatricial alopecia from non-scarring types of alopecia to ensure appropriate management and treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires differentiation from other types of alopecia and understanding of underlying causes.
  • Treatment complexity: Management may involve dermatological interventions, systemic therapies, and patient education.
  • Documentation requirements: Detailed clinical notes and possibly biopsy results are necessary for accurate coding.
  • Coding specificity: Requires knowledge of various types of cicatricial alopecia and their specific characteristics.

Audit Risk Factors

  • Common coding errors: Misclassification of cicatricial alopecia as non-scarring types.
  • Documentation gaps: Incomplete clinical notes or lack of biopsy results can lead to coding inaccuracies.
  • Billing challenges: Insufficient documentation may result in claim denials or delays in reimbursement.

Specialty Focus

Medical Specialties

Dermatology

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

Primary care

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

Cicatricial alopecia, including L66.8, has significant clinical implications as it can lead to permanent hair loss, affecting patients' psychological well-being and quality of life. Understanding the epidemiology of cicatricial alopecia is crucial, as it can impact healthcare utilization patterns, including the need for dermatological consultations and potential surgical interventions. Quality measures related to patient outcomes and satisfaction are also important considerations in managing this condition.

ICD-9 vs ICD-10

Cicatricial alopecia, including L66.8, has significant clinical implications as it can lead to permanent hair loss, affecting patients' psychological well-being and quality of life. Understanding the epidemiology of cicatricial alopecia is crucial, as it can impact healthcare utilization patterns, including the need for dermatological consultations and potential surgical interventions. Quality measures related to patient outcomes and satisfaction are also important considerations in managing this condition.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for L00-L99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by L66.8?

L66.8 encompasses various forms of cicatricial alopecia not classified elsewhere, including those resulting from conditions like lichen planopilaris, follicular occlusion syndrome, and other inflammatory dermatoses that lead to scarring.

When should L66.8 be used instead of related codes?

L66.8 should be used when the cicatricial alopecia does not fit into more specific categories provided by other codes. It is essential to document the specific characteristics of the alopecia to justify the use of this code.

What documentation supports L66.8?

Documentation should include a detailed clinical examination, patient history, and any relevant laboratory or biopsy results that confirm the diagnosis of cicatricial alopecia.