C91.Z
Header — not billableOther lymphoid leukemia
The ICD-10 code for other lymphoid leukemia is C91.Z.
C91.Z is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- T-cell large granular lymphocytic leukemia (associated with rheumatoid arthritis)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C91.0Acute lymphoblastic leukemia [ALL]non-billable header
- C91.1Chronic lymphocytic leukemia of B-cell typenon-billable header
- C91.3Prolymphocytic leukemia of B-cell typenon-billable header
- C91.4Hairy cell leukemianon-billable header
- C91.5Adult T-cell lymphoma/leukemia (HTLV-1-associated)non-billable header
- C91.6Prolymphocytic leukemia of T-cell typenon-billable header
- C91.9Lymphoid leukemia, unspecifiednon-billable header
- C91.AMature B-cell leukemia Burkitt-typenon-billable header
- C91.ZOther lymphoid leukemianon-billable header