Hemic and Lymphatic Diseases

**Definition:** Hematologic diseases and diseases of the lymphatic system collectively. Hemic diseases include disorders involving the formed elements (e.g., ERYTHROCYTE AGGREGATION, INTRAVASCULAR) and chemical components (e.g., BLOOD PROTEIN DISORDERS); lymphatic diseases include disorders relating to lymph, lymph nodes, and lymphocytes.

**Tree numbers:** - C15

**Synonyms:** - Blood and Lymphatic System Disorders