Urinary NGAL was markedly elevated in ATN (422.85 [499.85] pg/mL) compared to both HRS (189.85 [148.02] pg/mL, p = 0.001) and PRA (211.25 [189.07] pg/mL, p < 0.001). Here, S100A6 is linked to oculocutaneous albinism type 1.