has modifier disease has basis in dysfunction of COL4A5 X-linked inheritance X-linked Alport syndrome ATS Alport syndrome, X-linked DOID:0110034 GARD:0005785 ICD10:Q87.8 MONDO:0010520 MedDRA:10001843 OMIM:301050 Orphanet:88917 SCTID:717768004 X-linked form of Alport syndrome. congenital hereditary hematuria hemorrhagic familial nephritis hemorrhagic hereditary nephritis nephropathy and deafness, X-linked Alport syndrome X-linked deafness