What are diagnostic tests for Sjogren?

Labs (leukopenia, thrombocytopenia, anemia, hyperglobulienmia, proteinuria, hematuria) Ophthalmo (Schirmer test/ ocular surface staining) Salivary hypofunction (gland imaging [US/MRI], sialometry) Evidence of systemic autoimmunity (serology [SSA, SSB, ANA], systemic rheumatic disease, exclude SS mimics) Labial salivary gland biopsy (confirms dx, rule out other etiologies, stage of SS, prognosis)