C93.ZHeader code — not billable

Other monocytic leukemia

Chapter
2. Neoplasms
Category
C93
Effective date
October 1, 2026

Related codes in category C93

Frequently asked questions

What is ICD-10 code C93.Z?

C93.Z is an ICD-10-CM diagnosis code for Other monocytic leukemia.

Is C93.Z a billable code?

No. C93.Z is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is C93.Z in?

C93.Z falls under Chapter 2: Neoplasms.

When did C93.Z become effective?

C93.Z has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C93.Z?

C93.Z belongs to category C93, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.