C91.4 - Hairy cell leukemia

  • Applicable to Hairy cell leukemia
  • The 2025 edition of ICD10-CM C91.4 became effective on October 1, 2024.
  • This is the American ICD10-CM version of C91.4 - other international versions of ICD10 C91.4 may differ.
  • C91.4 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • C91.4 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • C91.4 - Hairy cell leukemia
    • C91.4 - Hairy cell leukemia
    • C91.40 - Hairy cell leukemia not having achieved remission
    • C91.41 - Hairy cell leukemia, in remission
    • C91.42 - Hairy cell leukemia, in relapse

 Inclusion Term

  • Leukemic reticuloendotheliosis

The following codes above C91.4 contain annotation back-references that may be applicable to C91.4:

Chapter: C00-D49 Neoplasms

Section: C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue

Category: C91 Lymphoid leukemia

leukemia icd 10
 
hairy icd 10
 
Non-Billable/Non-Specific Code

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