C93.9

Non-billable

Monocytic leukemia, unspecified

C93.9 is the ICD-10-CM code for Monocytic leukemia, unspecified. It is a non-billable category code — use a more specific child code such as C93.90 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C93
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code C93.9?
C93.9 is the ICD-10-CM code for "Monocytic leukemia, unspecified". It falls under C00-D49 Neoplasms.
Is C93.9 a billable code?
No — C93.9 is a non-billable header code. Use a more specific child code (such as C93.90) for billing.
What are the subcodes of C93.9?
C93.9 has 3 more specific child codes, including C93.90, C93.91, C93.92.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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