Follicular lymphoma grade IIIb, in remission

This code signifies a specific subtype of non-Hodgkin lymphoma, follicular lymphoma, which is characterized by a grade IIIb cellular differentiation. The "in remission" status indicates that the disease is currently undetectable or inactive following treatment. This represents a favorable outcome where the patient shows no signs or symptoms of active disease.

Use this code when documentation explicitly states follicular lymphoma, grade IIIb, and confirms the patient is currently in remission. This typically follows a course of treatment such as chemotherapy, immunotherapy, or radiation, and subsequent imaging or biopsy confirms the absence of active disease. Supporting documentation would include pathology reports confirming grade IIIb, and physician notes indicating remission status.

• Ensure the documentation clearly specifies "grade IIIb" as other follicular lymphoma grades have different codes.
• Verify "in remission" status; do not use for active disease or "history of" without current remission.
• Always sequence this code as a primary diagnosis when it is the reason for the encounter, or as a secondary diagnosis if the patient is being seen for a complication or follow-up related to the lymphoma.