ICD-10 Code C82.4A – Follicular lymphoma grade IIIb, in remission (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C82.4A – Follicular lymphoma grade IIIb, in remission
What it is
This code identifies follicular lymphoma grade IIIb that is no longer active, meaning the patient has a documented remission status. Use it when the record states the lymphoma is in remission and specifically grade IIIb.
Clinical signs
Clinical features vary; refer to documentation. Follicular lymphoma is a B-cell non-Hodgkin lymphoma, and grade IIIb is the highest grade within the follicular lymphoma category.
When to use this code
Use this code when the provider documents follicular lymphoma grade IIIb and clearly states it is in remission. It fits follow-up visits, surveillance care, or history review when there is no evidence of active disease. Check documentation if remission status is unclear.
Do not use for
Do not use this code for active follicular lymphoma, other lymphoma grades, or cases where remission is not documented. If the grade or disease status is uncertain, check documentation.
Coding tip
Confirm both the grade and remission status in the assessment or problem list before assigning C82.4A.