ICD-10 Code C88.41 – Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma], in remission (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C88.41 – Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma], in remission
What it is
This code identifies a past MALT lymphoma that is no longer active and is documented as being in remission. Use it when the record states the lymphoma has responded to treatment or is not currently evident.
Clinical signs
Clinical features vary; refer to documentation. In general, MALT lymphoma may present with site-specific findings from extranodal tissue involvement, but this code is used only when remission is clearly documented.
When to use this code
Use C88.41 when the provider documents extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue as in remission, including complete remission or no evidence of active disease. It is appropriate for follow-up visits, surveillance, or history review when the lymphoma remains a relevant diagnosis.
Do not use for
Do not use this code if the lymphoma is active, suspected, or under evaluation. Check documentation if the record only says “history of lymphoma” without stating remission.
Coding tip
Code remission only when the provider explicitly documents it; otherwise, use the active lymphoma code or check documentation.