C93.Z is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
C93.Z0
Other monocytic leukemia, not having achieved remission
Billable
10
C93.Z1
Other monocytic leukemia, in remission
Billable
10
C93.Z2
Other monocytic leukemia, in relapse
Billable