Sickle-cell/Hb-C disease with cerebral vascular involvement

This diagnosis code represents a specific type of sickle cell disease, specifically Sickle Cell-Hemoglobin C (Hb-C) disease, complicated by any form of cerebral vascular involvement. This includes conditions such as stroke, transient ischemic attack (TIA), or other cerebrovascular events directly attributable to the underlying sickle cell pathology.

Assign this code when documentation clearly indicates a patient has Sickle Cell-Hb C disease and has experienced or is currently experiencing a cerebrovascular event. Supporting documentation should specify both the type of sickle cell disease (Hb-C) and the nature of the cerebral vascular involvement.

• Ensure documentation specifies "Hb-C" type of sickle cell disease, not just "sickle cell disease" generally.
• Confirm the cerebral vascular involvement is a direct complication of the sickle cell disease.
• Code any specific type of cerebral vascular event (e.g., ischemic stroke) as a secondary diagnosis, if applicable.