C88.4

ICD-10Non-billable category

Extrnod mrgnl zn B-cell lymph of mucosa-assoc lymphoid tiss

Official ICD-10-CM descriptor (FY2026)

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

C88.4 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

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

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

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

ICD-10-CM FY2026 defines 2 codes beneath C88.4. See the ICD-10-CM index for what this site publishes.

Related codes in C88

Where this code sits

Parent code
C88

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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