Unifocal Langerhans-cell histiocytosis C96.6

  • C96.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM C96.6 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of C96.6 - other international versions of ICD-10 C96.6 may differ.
Applicable To:
  • Eosinophilic granuloma
  • Histiocytosis X, unifocal
  • Histiocytosis X NOS
  • Langerhans-cell histiocytosis NOS
Type 1 Excludes:
  • multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0)
  • multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.