C91.6
Non-billableProlymphocytic leukemia of T-cell type
Prolymphocytic leukemia of T-cell type
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
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
C91.5Adult T-cell lymphoma/leukemia (HTLV-1-associated)
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(18)
UMLS
- Leukemia, Prolymphocytic, T-CellC2363142
- Leukemia, T-Cell ProlymphocyticC2363142
- Leukemias, T-Cell ProlymphocyticC2363142
- Prolymphocytic Leukemia, T-CellC2363142
- Prolymphocytic Leukemias, T-CellC2363142
- Prolymphocytic leukaemia, T-cell typeC2363142
- Prolymphocytic leukemia of T-cell typeC2363142
- Prolymphocytic leukemia of T-cell type NOSC2363142
- Prolymphocytic leukemia, T-cell typeC2363142
- Prolymphocytic leukemia, T-cell type (morphologic abnormality)C2363142
- T Cell Prolymphocytic LeukemiaC2363142
- T Prolymphocytic LeukemiaC2363142
- T-Cell Prolymphocytic LeukemiaC2363142
- T-Cell Prolymphocytic LeukemiasC2363142
- T-Prolymphocytic LeukemiaC2363142
- T-cell prolymphocytic leukaemiaC2363142
- T-cell prolymphocytic leukemiaC2363142
- T-cell prolymphocytic leukemia (disorder)C2363142
Frequently Asked Questions
What is the ICD-10 code for prolymphocytic leukemia of t-cell type?
The ICD-10-CM code for prolymphocytic leukemia of t-cell type is C91.6. The full clinical description is "Prolymphocytic leukemia of T-cell type". C91.6 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code C91.6 mean?
ICD-10-CM code C91.6 represents “Prolymphocytic leukemia of T-cell type”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.
Is C91.6 a billable code?
No, C91.6 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 C91.6.
What chapter is C91.6 in?
C91.6 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C91.6?
C91.6 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of leukemia (Z85.6).
What are the subcategories under C91.6?
C91.6 has 3 child codes, including: C91.60 (Prolymphocytic leukemia of T-cell type not achieve remission), C91.61 (Prolymphocytic leukemia of T-cell type, in remission), C91.62 (Prolymphocytic leukemia of T-cell type, in relapse).
What are the UMLS CUIs for C91.6?
C91.6 is linked to 1 UMLS Concept Unique Identifier: C2363142. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C91.6 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like prolymphocytic leukemia of t-cell type 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 C91.6?
C91.6 maps to the ICD-11 code: 2A90.0 (T-cell prolymphocytic leukaemia).
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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.