In the follow-up ALCAM/creatinine, the mean values decreased from 3,302.8 pg/mg to 1,250.9 pg/mg in SLE without LN (p = 0.002) and from 12,891.6 pg/mg to 2,232.1 pg/mg in LN (p < 0.001). Here, ALCAM is linked to systemic lupus erythematosus.