Get started free

C84.4

Non-billable

Peripheral T-cell lymphoma, not elsewhere classified

C84.4 is the ICD-10-CM code for Peripheral T-cell lymphoma, not elsewhere classified. It is a non-billable category code — use a more specific child code such as C84.40 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C84
Subcodes
11
Edition
FY2026

C00-D49 Neoplasms

Includes

  • •Lennert's lymphoma
  • •Lymphoepithelioid lymphoma
  • •Mature T-cell lymphoma, not elsewhere classified

Frequently asked questions

What is ICD-10 code C84.4?
C84.4 is the ICD-10-CM code for "Peripheral T-cell lymphoma, not elsewhere classified". It falls under C00-D49 Neoplasms.
Is C84.4 a billable code?
No — C84.4 is a non-billable header code. Use a more specific child code (such as C84.40) for billing.
What are the subcodes of C84.4?
C84.4 has 11 more specific child codes, including C84.40, C84.41, C84.42.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →