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ICD-10 Guide
ICD-10 CodesL66.81

L66.81

Billable

Central centrifugal cicatricial alopecia

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

Code Description

ICD-10 L66.81 is a billable code used to indicate a diagnosis of central centrifugal cicatricial alopecia.

Key Diagnostic Point:

Central centrifugal cicatricial alopecia (CCCA) is a form of hair loss characterized by progressive thinning and loss of hair, primarily affecting the central scalp. It is most commonly seen in women of African descent and is associated with inflammation and scarring of the hair follicles. The condition typically begins as a small patch of hair loss that gradually expands outward, leading to a more extensive area of baldness. The underlying anatomy involved includes the hair follicles and the surrounding dermal and subcutaneous tissues, which become damaged due to inflammatory processes. Disease progression can lead to permanent hair loss if not addressed early. Diagnosis is primarily clinical, based on the characteristic pattern of hair loss and may be supported by scalp biopsy to assess the degree of inflammation and scarring. Differential diagnoses include other forms of cicatricial alopecia, such as lichen planopilaris and follicular degeneration syndrome, which must be ruled out to confirm CCCA.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misidentifying the type of alopecia.
  • Documentation gaps may arise if the inflammatory nature of the condition is not clearly noted.
  • Billing challenges can occur if the treatment plan is not adequately supported by clinical evidence.

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

Central centrifugal cicatricial alopecia has significant clinical implications, particularly for affected populations, as it can lead to psychological distress due to changes in appearance. Understanding its epidemiology is crucial, as it predominantly affects women of African descent, highlighting the need for targeted awareness and treatment strategies. Quality measures should focus on early diagnosis and effective management to improve patient outcomes and reduce healthcare utilization.

ICD-9 vs ICD-10

Central centrifugal cicatricial alopecia has significant clinical implications, particularly for affected populations, as it can lead to psychological distress due to changes in appearance. Understanding its epidemiology is crucial, as it predominantly affects women of African descent, highlighting the need for targeted awareness and treatment strategies. Quality measures should focus on early diagnosis and effective management to improve patient outcomes and reduce healthcare utilization.

Reimbursement & Billing Impact

Reimbursement considerations may vary based on the payer, but typically require clear evidence of the condition's impact on the patient. Common denials may arise from insufficient documentation or lack of clarity regarding the treatment provided. Best practices include ensuring that all clinical notes are detailed and that any procedures performed are clearly linked to the diagnosis of CCCA.

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 L66.81?

L66.81 specifically covers central centrifugal cicatricial alopecia, which is characterized by hair loss in the central scalp area, often with associated inflammation and scarring. It does not cover other forms of alopecia or hair loss without scarring.

When should L66.81 be used instead of related codes?

L66.81 should be used when the clinical presentation aligns with central centrifugal cicatricial alopecia, particularly when there is evidence of scarring and inflammation. It should not be used for non-scarring alopecia or other forms of cicatricial alopecia without clear documentation.

What documentation supports L66.81?

Documentation should include a detailed clinical history, physical examination findings, and any relevant laboratory or biopsy results that confirm the diagnosis of CCCA. Photographic evidence of the hair loss pattern may also be beneficial.