C93.1

C93.1: Chronic myelomonocytic leukemia

Non-billable headerICD-10-CM

C93.1 is a non-billable header ICD-10-CM code for chronic myelomonocytic leukemia. It cannot be billed on its own: choose one of the more specific child codes below.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

, if applicable, eosinophilia (D72.18)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Chronic monocytic leukemia
CMML-1
CMML-2
CMML with eosinophilia

Excludes1 inherited from the categories above C93.1

A category’s note binds every code beneath it.

Written on C93: Monocytic leukemia

personal history of leukemia (Z85.6)

Other codes that can never be billed with C93.1

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

C92.1Chronic myeloid leukemia, BCR/ABL-positive
D46.ZOther myelodysplastic syndromes
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 C93.1

3 child codes. Green means billable.