ICD-10 Code C86.11 – Hepatosplenic T-cell lymphoma, in remission (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C86.11 – Hepatosplenic T-cell lymphoma, in remission
What it is
This code identifies a prior diagnosis of hepatosplenic T-cell lymphoma that is currently in remission. Use it when the malignancy remains documented as inactive, but the history is still clinically relevant.
Clinical signs
Clinical features vary; refer to documentation. Hepatosplenic T-cell lymphoma is a rare T-cell lymphoma that typically involves the liver, spleen, and sometimes bone marrow.
When to use this code
Use this code when the record clearly states hepatosplenic T-cell lymphoma is in remission, such as during follow-up after treatment. It may appear in oncology surveillance, survivorship visits, or problem lists when the condition is no longer active.
Do not use for
Do not use this code if the lymphoma is active, relapsed, or being treated as current disease. Check documentation if the chart only mentions a history of lymphoma without stating remission.
Coding tip
Confirm that “in remission” is explicitly documented before assigning C86.11.