C93.91
✓ Billable
Monocytic leukemia, unspecified in remission
ICD-10-CM · FY2026 · Neoplasms
Code
C93.91
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C93.91?
ICD-10-CM code C93.91 represents Monocytic leukemia, unspecified in remission. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C93.91 billable?
Yes. C93.91 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C93.91 in?
C93.91 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C93 category
C93
Monocytic leukemia
Non-billable
C93.0
Acute monoblastic/monocytic leukemia
Non-billable
C93.1
Chronic myelomonocytic leukemia
Non-billable
C93.3
Juvenile myelomonocytic leukemia
Non-billable
C93.Z
Other monocytic leukemia
Non-billable
C93.9
Monocytic leukemia, unspecified
Non-billable
C93.00
Acute monoblastic/monocytic leukemia, not having achieved remission
Billable
C93.01
Acute monoblastic/monocytic leukemia, in remission
Billable
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