C88.4 Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
The ICD-10-CM code for Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] is C88.4 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Chapter
- 2: Neoplasms (C00-D49)
- Section
- C81-C96: Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
- Category C88
- 19 codes (12 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to C88.4:
- Lymphoma (of) (malignant) › skin-associated lymphoid tissue [SALT-lymphoma]
- Lymphoma (of) (malignant) › BALT
- Lymphoma (of) (malignant) › extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
- Lymphoma (of) (malignant) › SALT
- Lymphoma (of) (malignant) › mucosa-associated lymphoid tissue [MALT-lymphoma]
- Lymphoma (of) (malignant) › bronchial-associated lymphoid tissue [BALT-lymphoma]
- Lymphoma (of) (malignant) › MALT
Inclusion Terms
- Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma]
- Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma]
U.S. Hospital Utilization
- An estimated 3,015 U.S. inpatient stays in 2023 included C88.4 among the documented diagnoses.
- 550 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Tx of primary site (TOC entry)a. Admission/Encounter for treatment of primary site ............................................................. 33
Tx of secondary site (TOC entry)b. Admission/Encounter for treatment of secondary site .......................................................... 33
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026