C91.9
Non-billableLymphoid leukemia, unspecified
Lymphoid leukemia, unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- personal history of leukemia (Z85.6)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Leukaemia lymphaticC0023448
- Leukaemia lymphocyticC0023448
- Leukaemia lymphoidC0023448
- Leukemia lymphaticC0023448
- Leukemia lymphocyticC0023448
- Leukemia lymphoidC0023448
- Leukemia, LymphocyticC0023448
- Leukemia, LymphoidC0023448
- Leukemias, LymphocyticC0023448
- Leukemias, LymphoidC0023448
- Lymphatic leukaemiaC0023448
- Lymphatic leukemiaC0023448
- Lymphoblastic leukaemia NOSC0023448
- Lymphoblastic leukemia NOSC0023448
- Lymphocytic LeukemiaC0023448
- Lymphocytic LeukemiasC0023448
- Lymphocytic leukaemiaC0023448
- Lymphocytic leukemiaC0023448
- Lymphoid LeukemiaC0023448
- Lymphoid LeukemiasC0023448
- Lymphoid leukaemiaC0023448
- Lymphoid leukemiaC0023448
- Lymphoid leukemia (disorder)C0023448
- Lymphoid leukemia (morphologic abnormality)C0023448
- Lymphoid leukemia NOSC0023448
- Lymphoid leukemia, unspecifiedC0023448
- Unspecified lymphoid leukaemiaC0023448
- Unspecified lymphoid leukemiaC0023448
- leukemia lymphoblasticC0023448
- leukemia lymphocyticC0023448
- leukemia lymphoidC0023448
- lymphatic leukaemiaC0023448
- lymphatic leukemiaC0023448
- lymphoblastic leukemiaC0023448
- lymphocytic leukaemiaC0023448
- lymphocytic leukemiaC0023448
- lymphogenous leukemiaC0023448
- lymphoid leukaemiaC0023448
- lymphoid leukemiaC0023448
Frequently Asked Questions
What is ICD-10 code C91.9?
ICD-10-CM code C91.9 represents "Lymphoid leukemia, unspecified". It is a non-billable header code — use a more specific child code for billing purposes.
Is C91.9 a billable code?
No, C91.9 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 C91.9.
What chapter is C91.9 in?
C91.9 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C91.9?
C91.9 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of leukemia (Z85.6).
What are the subcategories under C91.9?
C91.9 has 3 child codes, including: C91.90 (Lymphoid leukemia, unspecified not having achieved remission), C91.91 (Lymphoid leukemia, unspecified, in remission), C91.92 (Lymphoid leukemia, unspecified, in relapse).
What are the UMLS CUIs for C91.9?
C91.9 is linked to 1 UMLS Concept Unique Identifier: C0023448. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.