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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