2025 ICD-10-CM Diagnosis Code L66.19

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Other lichen planopilaris

  • L66.19 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM L66.19 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of L66.19 – other international versions of ICD-10 L66.19 may differ.

Applicable To

  • Lassueur Graham-Little Piccardi syndrome

The following code(s) above L66.19 contain annotation back-references

 that may be applicable to L66.19:

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

ICD-10-CM L66.19 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 L66.19:

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