British Isles Lupus Assessment Group Index

**Semantic type:** Intellectual Product

**Definition:** An organ-specific assessment intended as a clinical decision tool. It evaluates specific manifestations over the previous four weeks in a total of eight organs systems, nine in the revised Index: constitutional, mucocutaneous, neuropsychiatric, musculoskeletal, cardiorespiratory, gastrointestinal, ophthalmic, renal, and hematological. Activity in each organ system is scored from most active disease to no previous activity.

**Synonyms:** - BILAG Index - BILAG Index