American College of Rheumatology Classification Criteria for Systemic Lupus Erythematosus

**Semantic type:** Intellectual Product

**Definition:** The classification of systemic lupus erythematosus based on eleven criteria. Intended to be used as inclusion criteria for clinical studies, a person is defined as having systemic lupus erythematosus if any four or more of the eleven criteria are present, serially or simultaneously, during any interval of observation.

**Synonyms:** - ACR Classification Criteria for SLE - ACR Classification Criteria for SLE