C93.1 ICD-10-CM Code: Chronic myelomonocytic 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
C93.1Chronic myelomonocytic leukemia
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where C93.1 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
- 3
Category C93
Monocytic leukemia
- 4
Code C93.1
Chronic myelomonocytic leukemia
More specific choices
Codes under C93.1
C93.1 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Documentation details
Notes for this code
Inclusion terms
- Chronic monocytic leukemia
- CMML-1
- CMML-2
- CMML with eosinophilia
Code first
No “code first” instruction is listed for C93.1.
Use additional code
No “use additional code” instruction is listed for C93.1.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C93.1.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C93.1.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code C93.1 mean?
C93.1 is the FY 2027 U.S. ICD-10-CM code for “Chronic myelomonocytic leukemia.”
Is C93.1 a billable or specific ICD-10-CM code?
No. C93.1 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 C93.1 located in ICD-10-CM?
C93.1 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 C93.1?
Its listed inclusion terms are Chronic monocytic leukemia; CMML-1; CMML-2; CMML with eosinophilia. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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