C91.40 - Hairy cell leukemia not having achieved remission

  • Applicable to Hairy cell leukemia not having achieved remission
  • The 2025 edition of ICD10-CM C91.40 became effective on October 1, 2024.
  • This is the American ICD10-CM version of C91.40 - other international versions of ICD10 C91.40 may differ.
  • C91.40 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • Hairy cell leukemia with failed remission
  • Hairy cell leukemia NOS

The following codes above C91.40 contain annotation back-references that may be applicable to C91.40:

Chapter: C00-D49 Neoplasms

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

Category: C91 Lymphoid leukemia

    
Billable/Specific Code

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