U.S. ICD-10-CM · FY 2027

C93 ICD-10-CM Code: Monocytic leukemia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

C93

Monocytic leukemia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where C93 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

  3. 3

    Category C93

    Monocytic leukemia

  4. 4

    Code C93

    Monocytic leukemia

More specific choices

Codes under C93

C93 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for C93.

Code first

No “code first” instruction is listed for C93.

Use additional code

No “use additional code” instruction is listed for C93.

Excludes1

Conditions that should not be reported together with this code.

  • personal history of leukemia (Z85.6)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C93.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code C93 mean?

C93 is the FY 2027 U.S. ICD-10-CM code for “Monocytic leukemia.”

Is C93 a billable or specific ICD-10-CM code?

No. C93 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is C93 located in ICD-10-CM?

C93 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96) (C81–C96), under category C93, Monocytic leukemia.

What coding notes are listed for C93?

No inclusion terms are listed for C93 in this reference record. No code-first instruction is listed. Excludes1 notes: personal history of leukemia (Z85.6). No Excludes2 note is listed.

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