C93
Non-billableMonocytic leukemia
C93 is the ICD-10-CM code for Monocytic leukemia. It is a non-billable category code — use a more specific child code such as C93.0 for billing.
- Status
- Header (non-billable)
- Chapter
- C00-D49
- Subcodes
- 5
- Edition
- FY2026
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHWhat is leukemia? Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow makes the cells which will develop into white blood cells, red blood cells, and platelets. Each type of cell has a different job: White blood cells help your body fight infection Red blood cells deliver oxygen from your lungs to your tissues and organs Platelets help…
Read more about Acute Myeloid Leukemia at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •monocytoid leukemia
Excludes1 — not coded here
- •personal history of leukemia (Z85.6)
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code C93?
- C93 is the ICD-10-CM code for "Monocytic leukemia". It falls under C00-D49 Neoplasms.
- Is C93 a billable code?
- No — C93 is a non-billable header code. Use a more specific child code (such as C93.0) for billing.
- What is excluded from C93?
- Excludes1 (not coded here): personal history of leukemia (Z85.6).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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