Loss‐of‐function mutations in ABCD1 (mutation registry held by the Adrenoleukodystrophy database; https://adrenoleukodystrophy.info/) result in adrenoleukodystrophy (http://omim.org/entry/300100) [http://www.ncbi.nlm.nih.gov/pubmed/27312864?dopt=AbstractPlus]. This evidence concerns the gene ABCD1 and X-linked adrenoleukodystrophy.