C91.5
Non-billableAdult T-cell lymphoma/leukemia (HTLV-1-associated)
Adult T-cell lymphoma/leukemia (HTLV-1-associated)
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Chapter
2: NeoplasmsBlock
C81-C96
Parent Code
C91Child Codes
3
ICD-11 Mapping
1 equivalentCoding Notes
Inclusion Terms
Alternative clinical terms for this condition
- 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)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (3)
Related Codes(8)
C91.0Acute lymphoblastic leukemia [ALL]
C91.1Chronic lymphocytic leukemia of B-cell type
C91.3Prolymphocytic leukemia of B-cell type
C91.4Hairy cell leukemia
C91.6Prolymphocytic leukemia of T-cell type
C91.9Lymphoid leukemia, unspecified
C91.AMature B-cell leukemia Burkitt-type
C91.ZOther lymphoid leukemia
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(81)
UMLS
- ATLLC0023493
- Adult T Cell Lymphoma/LeukemiaC0023493
- Adult T-Cell LeukemiaC0023493
- Adult T-Cell Leukemia-LymphomaC0023493
- Adult T-Cell Leukemia-LymphomasC0023493
- Adult T-Cell Leukemia/LymphomaC0023493
- Adult T-Cell LeukemiasC0023493
- Adult T-Cell Lymphoma/LeukemiaC0023493
- Adult T-cell leukaemiaC0023493
- Adult T-cell leukaemia/lymphomaC0023493
- Adult T-cell leukaemia/lymphoma (HTLV-1 positive)C0023493
- Adult T-cell leukaemia/lymphoma (clinical)C0023493
- Adult T-cell leukemiaC0023493
- Adult T-cell leukemia-lymphomaC0023493
- Adult T-cell leukemia/lymphomaC0023493
- Adult T-cell leukemia/lymphoma (HTLV-1 positive)C0023493
- Adult T-cell leukemia/lymphoma (clinical)C0023493
- Adult T-cell leukemia/lymphoma (disorder)C0023493
- Adult T-cell leukemia/lymphoma (morphologic abnormality)C0023493
- Adult T-cell lymphomaC0023493
- Adult T-cell lymphoma/leukaemiaC0023493
- Adult T-cell lymphoma/leukaemia (HTLV-1 +)C0023493
- Adult T-cell lymphoma/leukaemia NOSC0023493
- Adult T-cell lymphoma/leukemiaC0023493
- Adult T-cell lymphoma/leukemia (HTLV-1 +)C0023493
- Adult T-cell lymphoma/leukemia (HTLV-1-associated)C0023493
- Adult T-cell lymphoma/leukemia (HTLV-1-associated) NOSC0023493
- Adult T-cell lymphomas/leukaemiasC0023493
- HTLV ALLC0023493
- HTLV Associated Leukemia LymphomaC0023493
- HTLV I Associated T Cell Leukemia LymphomaC0023493
- HTLV-1 Associated Adult T-Cell Lymphoma/LeukemiaC0023493
- HTLV-Associated Leukemia-LymphomaC0023493
- HTLV-Associated Leukemia-LymphomasC0023493
- HTLV-I Associated Adult T-Cell Leukemia/LymphomaC0023493
- HTLV-I-Associated T-Cell Leukemia-LymphomaC0023493
- HTLV-I-Associated T-Cell Leukemia-LymphomasC0023493
- Human T Cell Leukemia LymphomaC0023493
- Human T Lymphotropic Virus Associated Leukemia LymphomaC0023493
- Human T Lymphotropic Virus-Associated Leukemia-LymphomaC0023493
- Human T-Cell Leukemia-LymphomaC0023493
- Human T-Cell Leukemia-LymphomasC0023493
- Leukemia Lymphoma, Adult T CellC0023493
- Leukemia Lymphoma, T Cell, Acute, HTLV I AssociatedC0023493
- Leukemia, Adult T CellC0023493
- Leukemia, Adult T-CellC0023493
- Leukemia-Lymphoma, Adult T-CellC0023493
- Leukemia-Lymphoma, HTLV-AssociatedC0023493
- Leukemia-Lymphoma, HTLV-I-Associated T-CellC0023493
- Leukemia-Lymphoma, Human T-CellC0023493
- Leukemia-Lymphoma, T-Cell, Acute, HTLV-I-AssociatedC0023493
- Leukemia-Lymphomas, Adult T-CellC0023493
- Leukemia-Lymphomas, HTLV-AssociatedC0023493
- Leukemia-Lymphomas, HTLV-I-Associated T-CellC0023493
- Leukemia-Lymphomas, Human T-CellC0023493
- Leukemias, Adult T-CellC0023493
- T Cell Leukemia Lymphoma, AdultC0023493
- T Cell Leukemia Lymphoma, HTLV I AssociatedC0023493
- T Cell Leukemia, AdultC0023493
- T-Cell Leukemia, AdultC0023493
- T-Cell Leukemia-Lymphoma, AdultC0023493
- T-Cell Leukemia-Lymphoma, HTLV-I-AssociatedC0023493
- T-Cell Leukemia-Lymphoma, HumanC0023493
- T-Cell Leukemia-Lymphomas, AdultC0023493
- T-Cell Leukemia-Lymphomas, HTLV-I-AssociatedC0023493
- T-Cell Leukemia-Lymphomas, HumanC0023493
- T-Cell Leukemias, AdultC0023493
- adult T cell leukemiaC0023493
- adult t cell leukemiaC0023493
- adult t-cell leukemiaC0023493
- adult t-cell leukemiasC0023493
- adult t-cell lymphomaC0023493
- atllC0023493
- human T cell leukemiaC0023493
- human t cell leukemiaC0023493
- t cell acute leukemiaC0023493
- t-allC0023493
- Acute variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)C2854101
- Chronic variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)C2854102
- Lymphomatoid variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)C2854103
- Smouldering variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)C2854104
Frequently Asked Questions
What is the ICD-10 code for adult t-cell lymphoma/leukemia (htlv-1-associated)?
The ICD-10-CM code for adult t-cell lymphoma/leukemia (htlv-1-associated) is C91.5. The full clinical description is "Adult T-cell lymphoma/leukemia (HTLV-1-associated)". C91.5 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code C91.5 mean?
ICD-10-CM code C91.5 represents “Adult T-cell lymphoma/leukemia (HTLV-1-associated)”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.
Is C91.5 a billable code?
No, C91.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under C91.5.
What chapter is C91.5 in?
C91.5 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C91.5?
C91.5 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of leukemia (Z85.6).
What are the subcategories under C91.5?
C91.5 has 3 child codes, including: C91.50 (Adult T-cell lymph/leuk (HTLV-1-assoc) not achieve remission), C91.51 (Adult T-cell lymphoma/leukemia (HTLV-1-assoc), in remission), C91.52 (Adult T-cell lymphoma/leukemia (HTLV-1-assoc), in relapse).
What are the UMLS CUIs for C91.5?
C91.5 is linked to 5 UMLS Concept Unique Identifiers: C0023493, C2854101, C2854102, C2854103, C2854104. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C91.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like adult t-cell lymphoma/leukemia (htlv-1-associated) affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C91.5?
C91.5 maps to the ICD-11 code: 2A90.5 (Adult T-cell lymphoma or leukaemia, human T-cell lymphotropic virus type 1-associated).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.