C83.9

Non-billable

Non-follicular (diffuse) lymphoma, unspecified

C83.9 is the ICD-10-CM code for Non-follicular (diffuse) lymphoma, unspecified. It is a non-billable category code — use a more specific child code such as C83.90 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C83
Subcodes
11
Edition
FY2026

C00-D49 Neoplasms

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code C83.9?
C83.9 is the ICD-10-CM code for "Non-follicular (diffuse) lymphoma, unspecified". It falls under C00-D49 Neoplasms.
Is C83.9 a billable code?
No — C83.9 is a non-billable header code. Use a more specific child code (such as C83.90) for billing.
What are the subcodes of C83.9?
C83.9 has 11 more specific child codes, including C83.90, C83.91, C83.92.

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

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