Nodular sclerosis Hodgkin lymphoma, unspecified site

This code identifies a specific subtype of Hodgkin lymphoma, characterized by the presence of nodular sclerosis, where the affected lymph nodes show fibrous bands and lacunar cells. It indicates that the primary site of the lymphoma is not specified in the medical record.

Use this code when the physician's documentation confirms a diagnosis of nodular sclerosis Hodgkin lymphoma, but the specific anatomical location (e.g., lymph nodes of the head, neck, mediastinum) is not documented. This is often an initial diagnosis or when the extent of disease is still being fully evaluated.

• Ensure the documentation explicitly states "nodular sclerosis" and "Hodgkin lymphoma."
• Avoid using this code if a specific anatomical site of involvement is documented; instead, use a more specific C81.1- subcategory.
• Always sequence this code as the primary diagnosis when it is the reason for the encounter or treatment.