C94

C94: Other leukemias of specified cell type

Non-billable headerICD-10-CM

C94 is a non-billable header ICD-10-CM code for other leukemias of specified cell type. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

leukemic reticuloendotheliosis (C91.4-)
myelodysplastic syndromes (D46.-)
personal history of leukemia (Z85.6)
plasma cell leukemia (C90.1-)

Other codes that can never be billed with C94

Their own Excludes1 notes name this code, so the conflict is not listed above.

C96.2Malignant mast cell neoplasm
D47.02Systemic mastocytosis
D47.4Osteomyelofibrosis
D75.81Myelofibrosis
D89.4Mast cell activation syndrome and related disorders
D53.1Other megaloblastic anemias, not elsewhere classified
D64.4Congenital dyserythropoietic anemia
D72.825Bandemia

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 C94

6 child codes. Green means billable.