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C85.1

Non-billable

Unspecified B-cell lymphoma

C85.1 is the ICD-10-CM code for Unspecified B-cell lymphoma. It is a non-billable category code — use a more specific child code such as C85.10 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C85
Subcodes
11
Edition
FY2026

C00-D49 Neoplasms

Notes

  • •If B-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.

Frequently asked questions

What is ICD-10 code C85.1?
C85.1 is the ICD-10-CM code for "Unspecified B-cell lymphoma". It falls under C00-D49 Neoplasms.
Is C85.1 a billable code?
No — C85.1 is a non-billable header code. Use a more specific child code (such as C85.10) for billing.
What are the subcodes of C85.1?
C85.1 has 11 more specific child codes, including C85.10, C85.11, C85.12.

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

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