C91.0
C91.0: Acute lymphoblastic leukemia [ALL]
Non-billable headerICD-10-CM
C91.0 is a non-billable header ICD-10-CM code for acute lymphoblastic leukemia [all]. It cannot be billed on its own: choose one of the more specific child codes below.
Notes
Additional guidance from the ICD-10-CM tabular list.
- Codes in subcategory C91.0- should only be used for T-cell and B-cell precursor leukemia
Other codes that can never be billed with C91.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead C91.0
3 child codes. Green means billable.
Other codes under C91
- 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)
- C91.6Prolymphocytic leukemia of T-cell type
- C91.AMature B-cell leukemia Burkitt-type
- C91.ZOther lymphoid leukemia
- C91.9Lymphoid leukemia, unspecified