C88.4

Non-billable

Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]

C88.4 is the ICD-10-CM code for Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]. It is a non-billable category code — use a more specific child code such as C88.40 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C88
Subcodes
2
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease . The rest are called non-Hodgkin lymphomas. Non-Hodgkin lymphomas begin when a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell divides again and again, making more and more abnormal cells. These abnormal cells can spread to almost any other part…

Read more about Lymphoma at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma]
  • Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma]

Excludes1 — not coded here

  • high malignant (diffuse large B-cell) lymphoma (C83.3-)

Frequently asked questions

What is ICD-10 code C88.4?
C88.4 is the ICD-10-CM code for "Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]". It falls under C00-D49 Neoplasms.
Is C88.4 a billable code?
No — C88.4 is a non-billable header code. Use a more specific child code (such as C88.40) for billing.
What are the subcodes of C88.4?
C88.4 has 2 more specific child codes, including C88.40, C88.41.
What is excluded from C88.4?
Excludes1 (not coded here): high malignant (diffuse large B-cell) lymphoma (C83.3-).

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

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