C93.Z – Other monocytic leukemia

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue

Non-billable header

ICD-10-CM code C93.Z
Code
C93.Z (claims format: C93Z)
Description
Other monocytic leukemia
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Parent codes
C93

Billable codes under C93.Z

C93.Z is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C93 – Monocytic leukemia

Includes:
  • monocytoid leukemia
Excludes1 (not coded here):
  • personal history of leukemia (Z85.6)

Block C81-C96

Excludes2 (not included here):
  • Kaposi's sarcoma of lymph nodes (C46.3)
  • secondary and unspecified neoplasm of lymph nodes (C77.-)
  • secondary neoplasm of bone marrow (C79.52)
  • secondary neoplasm of spleen (C78.89)

Index terms for C93.Z

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in C93

Frequently asked questions

What is ICD-10 code C93.Z?

C93.Z is the ICD-10-CM code for other monocytic leukemia, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C93.Z a billable code?

No. C93.Z is a header code with more specific child codes; report one of the billable codes listed above.

What category does C93.Z belong to?

It belongs to category C93 – Monocytic leukemia.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.