2025 ICD-10-CM Diagnosis Code L66.89

Other cicatricial alopecia

• L66.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM L66.89 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
• This is the American ICD-10-CM version of L66.89 – other international versions of ICD-10 L66.89 may differ.

The following code(s) above L66.89 contain annotation back-references

 that may be applicable to L66.89:

• L00-L99  Diseases of the skin and subcutaneous tissue
• L60-L75  Disorders of skin appendages

ICD-10-CM L66.89 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 606 Minor skin disorders with mcc
• 607 Minor skin disorders without mcc

Code History

• 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to L66.89:

• Alopecia (hereditaria) (seborrheica) L65.9
  • cicatricialL66.9
    • specified NEC L66.89