C91.5 - Adult T-cell lymphoma/leukemia (HTLV-1-associated)
- Applicable to Adult T-cell lymphoma/leukemia (HTLV-1-associated)
- The 2025 edition of ICD10-CM C91.5 became effective on October 1, 2024.
- This is the American ICD10-CM version of C91.5 - other international versions of ICD10 C91.5 may differ.
- C91.5 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- C91.5 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.
- C91.5 - Adult T-cell lymphoma/leukemia (HTLV-1-associated)
- C91.5 - Adult T-cell lymphoma/leukemia (HTLV-1-associated)
- C91.50 - Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission
- C91.51 - Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remission
- C91.52 - Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
Inclusion Term
- Acute variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
- Chronic variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
- Lymphomatoid variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
- Smouldering variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
The following codes above C91.5 contain annotation back-references that may be applicable to C91.5:
Chapter: C00-D49 Neoplasms
Section: C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Category: C91 Lymphoid leukemia
Non-Billable/Non-Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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