C93.9Header code — not billable
Monocytic leukemia, unspecified
- Chapter
- 2. Neoplasms
- Category
- C93
- Effective date
- October 1, 2026
Related codes in category C93
C93Monocytic leukemiaC93.0Acute monoblastic/monocytic leukemiaC93.00Acute monoblastic/monocytic leukemia, not achieve remissionYesC93.01Acute monoblastic/monocytic leukemia, in remissionYesC93.02Acute monoblastic/monocytic leukemia, in relapseYesC93.1Chronic myelomonocytic leukemiaC93.10Chronic myelomonocytic leukemia not achieve remissionYesC93.11Chronic myelomonocytic leukemia, in remissionYesC93.12Chronic myelomonocytic leukemia, in relapseYesC93.3Juvenile myelomonocytic leukemiaC93.30Juvenile myelomonocytic leukemia, not achieve remissionYesC93.31Juvenile myelomonocytic leukemia, in remissionYes
Frequently asked questions
What is ICD-10 code C93.9?
C93.9 is an ICD-10-CM diagnosis code for Monocytic leukemia, unspecified.
Is C93.9 a billable code?
No. C93.9 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 C93.9 in?
C93.9 falls under Chapter 2: Neoplasms.
When did C93.9 become effective?
C93.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C93.9?
C93.9 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.